<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.chotot.com/quan-7/mua-ban-phu-kien-linh-kien-dien-tu/gear-vr-cho-s7-note-5-note-7-s6-28256228.htm>