<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.chotot.com/quan-binh-thanh/mua-ban-dien-thoai-di-dong/iphone-6-plus-fullbox-quoc-te-16g-28343033.htm>