<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.chotot.com/huyen-hoc-mon/mua-ban-nha-dat/nha-cap-4-moi-xay-179-168-tan-hiep-8-27198619.htm>