<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/can-nha-4x12-hem-xe-hoi-cach-htp-50m--28367039.htm>