<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.chotot.com/kien-giang/mua-ban-dien-thoai-di-dong/oppo-r7-lite-dong-hoac-gl-ip-5s-28314358.htm>