<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.chotot.com/ca-mau/mua-ban-dien-thoai-di-dong/iphone-7-128gb-jet-black-new-100-hang-my-28239928.htm>