diff --git a/public/userarea/gridRenderer.js b/public/userarea/gridRenderer.js
index 582082f..bffa0fa 100644
--- a/public/userarea/gridRenderer.js
+++ b/public/userarea/gridRenderer.js
@@ -392,7 +392,6 @@
             allowClear: true,
             width: "100%",
             minimumInputLength: 0,
-            sorter: sortSelect2ResultsByStart,
             ajax: {
                 url: "search_customfield_values.php",
                 dataType: "json",
diff --git a/public/userarea/search_customfield_values.php b/public/userarea/search_customfield_values.php
index 6e4205a..35f95d4 100644
--- a/public/userarea/search_customfield_values.php
+++ b/public/userarea/search_customfield_values.php
@@ -51,18 +51,74 @@ try {
         exit;
     }
 
-    // Search by query
-    $results = [];
-    foreach ($values as $v) {
-        $text = $v['Valore'] ?? '';
-        if ($q === '' || mb_strpos(mb_strtolower($text), $q) !== false) {
-            $results[] = ['id' => $v['IdCustomFieldsValue'], 'text' => $text];
-            if ($limit > 0 && count($results) >= $limit) break;
+    // Search — multi-term AND, position-independent, ranked
+    $terms = array_values(array_filter(
+        preg_split('/\s+/u', $q, -1, PREG_SPLIT_NO_EMPTY)
+    ));
+
+    // Nessun termine digitato: alfabetico, taglio al limite
+    if (empty($terms)) {
+        $all = [];
+        foreach ($values as $v) {
+            $all[] = ['id' => $v['IdCustomFieldsValue'], 'text' => $v['Valore'] ?? ''];
         }
+        usort($all, fn($a, $b) => strcasecmp($a['text'], $b['text']));
+        if ($limit > 0) $all = array_slice($all, 0, $limit);
+        echo json_encode(['results' => $all]);
+        exit;
     }
 
-    // Sort alphabetically
-    usort($results, fn($a, $b) => strcasecmp($a['text'], $b['text']));
+    $firstTerm = $terms[0];
+    $scored = [];
+
+    foreach ($values as $v) {
+        $text = $v['Valore'] ?? '';
+        $textLower = mb_strtolower($text);
+
+        // AND: tutti i termini devono essere presenti, in qualsiasi posizione
+        $matchAll = true;
+        foreach ($terms as $t) {
+            if (mb_strpos($textLower, $t) === false) {
+                $matchAll = false;
+                break;
+            }
+        }
+        if (!$matchAll) continue;
+
+        // Punteggio di pertinenza (più basso = più rilevante)
+        if ($textLower === $q) {
+            $score = 0;                                   // match esatto
+        } elseif (mb_strpos($textLower, $firstTerm) === 0) {
+            $score = 1;                                   // inizia col primo termine
+        } elseif (preg_match('/(^|\s)' . preg_quote($firstTerm, '/') . '/u', $textLower)) {
+            $score = 2;                                   // primo termine a inizio di una parola
+        } else {
+            $score = 3;                                   // presente ma non a inizio parola
+        }
+
+        $scored[] = [
+            'id'   => $v['IdCustomFieldsValue'],
+            'text' => $text,
+            '_s'   => $score,
+            '_n'   => $textLower
+        ];
+    }
+
+    // Ordina per punteggio, poi alfabetico
+    usort($scored, function ($a, $b) {
+        if ($a['_s'] !== $b['_s']) return $a['_s'] - $b['_s'];
+        return strcmp($a['_n'], $b['_n']);
+    });
+
+    // Taglia DOPO l'ordinamento e rimuovi i campi interni
+    if ($limit > 0) {
+        $scored = array_slice($scored, 0, $limit);
+    }
+
+    $results = array_map(
+        fn($r) => ['id' => $r['id'], 'text' => $r['text']],
+        $scored
+    );
 
     echo json_encode(['results' => $results]);
 } catch (Exception $e) {