diff --git a/include/Product.php b/include/Product.php
index d84ec1d..5b3d7d0 100644
--- a/include/Product.php
+++ b/include/Product.php
@@ -140,7 +140,9 @@ class Product extends Entity {
                 }
             }
         }
+
         if($matchAll && array_diff_assoc($terms, $matches)) {
+            var_dump(array_diff_assoc($terms, $matches));
             return array();
         }
         return $matches;