<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.chotot.com/quan-nam-tu-liem/thue-can-ho-chung-cu/thang-long-no-1-91m2-2-phong-ngu-do-co-ban-28292504.htm>