<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.chotot.com/quan-hoan-kiem/mua-ban-nha-dat/nha-mp-cua-bac-50m-5t-mt-5m-28229517.htm>