public static function searchWithAND()
    {
        $bUseAnd = false;
        $oShop = TdbShop::GetInstance();
        if ($oShop && array_key_exists('shop_search_use_boolean_and', $oShop->sqlData)) {
            $bUseAnd = ('1' == $oShop->sqlData['shop_search_use_boolean_and']);
        }

        return $bUseAnd;
    }