<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<http://us.24h.com.vn/suc-khoe-doi-song/gd-tham-my-vien-truc-tiep-vut-xac-benh-nhan-c62a581845.html>