<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<http://diemthi.24h.com.vn/ti-le-choi/ti-le-choi-cao-dang-kinh-te-ke-hoach-da-nang-nam-2015-tlcCKK>