diff --git a/backend/services/matchService.js b/backend/services/matchService.js
index 3655be9..2d32001 100644
--- a/backend/services/matchService.js
+++ b/backend/services/matchService.js
@@ -291,8 +291,6 @@ class MatchService {
         }
         const clubName = club.name;
         
-        devLog(`Filtering matches for club: ${clubName}`);
-        
         // Find all club teams in this league
         const clubTeams = await ClubTeam.findAll({
             where: {
@@ -302,8 +300,6 @@ class MatchService {
             attributes: ['id', 'name']
         });
         
-        devLog(`Club teams in league ${leagueId}: ${clubTeams.map(ct => ct.name).join(', ')}`);
-        
         // Find all Team entries that contain our club name
         const ownTeams = await Team.findAll({
             where: {
@@ -316,7 +312,6 @@ class MatchService {
         });
         
         const ownTeamIds = ownTeams.map(t => t.id);
-        devLog(`Own team IDs in this league: ${ownTeamIds.join(', ')} (${ownTeams.map(t => t.name).join(', ')})`);
         
         // Load matches
         let matches;
@@ -331,10 +326,8 @@ class MatchService {
                     ]
                 }
             });
-            devLog(`Found ${matches.length} matches for our teams`);
         } else {
             // No own teams found - show nothing
-            devLog('No own teams found in this league, showing no matches');
             matches = [];
         }
         
diff --git a/backend/services/predefinedActivityService.js b/backend/services/predefinedActivityService.js
index 24ddb74..69d09e9 100644
--- a/backend/services/predefinedActivityService.js
+++ b/backend/services/predefinedActivityService.js
@@ -58,20 +58,40 @@ class PredefinedActivityService {
         if (!q || q.length < 2) {
             return [];
         }
-        return await PredefinedActivity.findAll({
+        
+        // Intelligente Suche: Teile den Query in einzelne Begriffe auf
+        const searchTerms = q.split(/\s+/).filter(term => term.length > 0);
+        
+        if (searchTerms.length === 0) {
+            return [];
+        }
+        
+        // Hole alle Aktivitäten mit Kürzeln
+        const allActivities = await PredefinedActivity.findAll({
             where: {
-                [Op.or]: [
-                    { name: { [Op.like]: `%${q}%` } },
-                    { code: { [Op.like]: `%${q}%` } },
-                ],
+                code: { [Op.ne]: null } // Nur Aktivitäten mit Kürzel
             },
             order: [
                 [sequelize.literal('code IS NULL'), 'ASC'],
                 ['code', 'ASC'],
                 ['name', 'ASC'],
             ],
-            limit: Math.min(parseInt(limit || 20, 10), 50),
+            limit: 1000 // Höhere Grenze für Filterung
         });
+        
+        // Filtere die Ergebnisse, um nur die zu finden, die ALLE Begriffe enthalten
+        const filteredResults = allActivities.filter(activity => {
+            const code = (activity.code || '').toLowerCase();
+            
+            // Prüfe, ob alle Suchbegriffe im Kürzel enthalten sind
+            return searchTerms.every(term => {
+                const normalizedTerm = term.toLowerCase();
+                return code.includes(normalizedTerm);
+            });
+        });
+        
+        // Begrenze die Ergebnisse
+        return filteredResults.slice(0, Math.min(parseInt(limit || 20, 10), 50));
     }
 
     async mergeActivities(sourceId, targetId) {
diff --git a/frontend/src/views/PredefinedActivities.vue b/frontend/src/views/PredefinedActivities.vue
index 1f9ef45..ede7a25 100644
--- a/frontend/src/views/PredefinedActivities.vue
+++ b/frontend/src/views/PredefinedActivities.vue
@@ -6,10 +6,20 @@
         <div class="toolbar">
           <button @click="startCreate" class="btn-primary">Neu</button>
           <button @click="reload" class="btn-secondary">Neu laden</button>
-        <div>
+        </div>
+        <div class="search-section">
+          <input 
+            type="text" 
+            v-model="searchQuery" 
+            @input="onSearchInput"
+            placeholder="Kürzel suchen (z.B. 'as vh us' oder 'vh as us')..."
+            class="search-input"
+          />
+          <button v-if="searchQuery" @click="clearSearch" class="btn-clear-search">✕</button>
+        </div>
         <div>
           <button @click="deduplicate" class="btn-secondary">Doppelungen zusammenführen</button>
-        </div
+        </div>
         <div class="merge-tools">
             <select v-model="mergeSourceId">
               <option disabled value="">Quelle wählen…</option>
@@ -22,7 +32,6 @@
             </select>
             <button class="btn-secondary" :disabled="!canMerge" @click="mergeSelected">Zusammenführen</button>
           </div>
-        </div>
         <ul class="items">
           <li v-for="a in sortedActivities" :key="a.id" :class="{ active: selectedActivity && selectedActivity.id === a.id }" @click="select(a)">
             <div class="title">
@@ -167,11 +176,17 @@ export default {
       selectedDrawingData: null,
       mergeSourceId: '',
       mergeTargetId: '',
+      searchQuery: '',
+      searchResults: [],
+      isSearching: false,
     };
   },
   computed: {
     sortedActivities() {
-      return [...(this.activities || [])].sort((a, b) => {
+      // Wenn gesucht wird, zeige Suchergebnisse, sonst alle Aktivitäten
+      const activitiesToSort = this.searchQuery.trim() ? this.searchResults : this.activities;
+      
+      return [...(activitiesToSort || [])].sort((a, b) => {
         const ac = (a.code || '').toLocaleLowerCase('de-DE');
         const bc = (b.code || '').toLocaleLowerCase('de-DE');
         const aEmpty = ac === '';
@@ -221,6 +236,34 @@ export default {
             this.confirmDialog.isOpen = false;
         },
         
+        // Suchfunktionen
+        async onSearchInput() {
+            const query = this.searchQuery.trim();
+            
+            if (!query || query.length < 2) {
+                this.searchResults = [];
+                return;
+            }
+            
+            this.isSearching = true;
+            try {
+                const response = await apiClient.get('/predefined-activities/search/query', {
+                    params: { q: query, limit: 50 }
+                });
+                this.searchResults = response.data || [];
+            } catch (error) {
+                console.error('Error searching activities:', error);
+                this.searchResults = [];
+            } finally {
+                this.isSearching = false;
+            }
+        },
+        
+        clearSearch() {
+            this.searchQuery = '';
+            this.searchResults = [];
+        },
+        
     parseDrawingData(value) {
       if (!value) return null;
       if (typeof value === 'object') return value;
@@ -556,5 +599,52 @@ input[type="text"], input[type="number"], textarea { width: 100%; }
   color: #333;
   font-size: 1rem;
 }
+
+/* Suchfeld Styles */
+.search-section {
+  position: relative;
+  margin: 1rem 0;
+}
+
+.search-input {
+  width: 100%;
+  padding: 0.75rem 2.5rem 0.75rem 1rem;
+  border: 2px solid #ddd;
+  border-radius: var(--border-radius);
+  font-size: 1rem;
+  background: white;
+  transition: border-color 0.3s ease;
+}
+
+.search-input:focus {
+  outline: none;
+  border-color: #007bff;
+  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
+}
+
+.btn-clear-search {
+  position: absolute;
+  right: 0.75rem;
+  top: 50%;
+  transform: translateY(-50%);
+  background: none;
+  border: none;
+  color: #666;
+  font-size: 1.2rem;
+  cursor: pointer;
+  padding: 0.25rem;
+  border-radius: 50%;
+  width: 2rem;
+  height: 2rem;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  transition: all 0.2s ease;
+}
+
+.btn-clear-search:hover {
+  background: #f8f9fa;
+  color: #333;
+}
 </style>