<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.chotot.com/quan-9/mua-ban-dat/dat-nen-dau-tu-p-phu-huu-lien-ke-tap-doan-samsung-28450886.htm>