<http://schema.org/query-input>
"required name=search_keywords"^^<http://www.w3.org/2001/XMLSchema#string>
<http://ejaba.net/266242/%D8%A7%D9%88%D9%84-%D9%85%D9%86-%D9%85%D8%B4%D9%89-%D8%B9%D9%84%D9%89-%D8%A7%D9%84%D9%82%D9%85%D8%B1>