fixed a bug in the new phrase search

app/MetaGer.php

@@ -566,7 +566,7 @@ class MetaGer
             $filter = rtrim($filter, ",");
             $error = trans('metaGer.engines.noSpecialSearch', [
                 'fokus' => trans($this->sumaFile->foki->{$this->fokus}->{"display-name"}),
-                'filter' => $filter
+                'filter' => $filter,
             ]);
             $this->errors[] = $error;
         }
@@ -1227,14 +1227,14 @@ class MetaGer
 
         // matches '[... ]-test[ ...]'
         $words = preg_split("/\s+/si", $tmp);
-        $newQ = "";
+        $newQ = $this->q;
         foreach ($words as $word) {
             if (strpos($word, "-") === 0 && strlen($word) > 1) {
                 $this->stopWords[] = substr($word, 1);
-            } else {
-                $newQ .= " " . $word;
+                $newQ = str_ireplace($word, "", $newQ);
             }
         }
+        $newQ = preg_replace("/(\s)\s+/", "$1", $newQ);
         $this->q = trim($newQ);
         # Overwrite Setting if submitted via Parameter
         if ($request->has('stop')) {