<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.chotot.com/huyen-nha-be/mua-ban-nha-dat/nha-moi-h1982-16-huynh-tan-phat-nha-be-28292531.htm>