foreach ($searchResults as &$product)
    $product['product_link'] = $this->context->link->getProductLink($product['id_product'], $product['prewrite'], $product['crewrite']);

foreach($words as $word)
    $score_array[] = 'content LIKE \'%'.pSQL($word).'%\'';
$res = Db::getInstance()->executeS('SELECT `id_cms` id_product, `meta_title` pname, `link_rewrite` prewrite FROM '._DB_PREFIX_.'cms_lang
    WHERE id_lang = '.(int)Tools::getValue('id_lang').'
    AND ('.implode(' OR ', $score_array).')
    LIMIT 5
');
foreach ($res as &$i)
    $i['product_link'] = $this->context->link->getCMSLink($i['id_product'], $i['prewrite']);
$searchResults = array_merge($res, $searchResults);

foreach($words as $word)

$words = explode(' ', $query);