<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.chotot.com/quan-hoang-mai/mua-ban-can-ho-chung-cu/can-ho-2-ngu-hh2c-linh-dam-chenh-28345710.htm>