<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.chotot.com/quan-hai-ba-trung/mua-ban-nha-dat/nha-o-3tang-gan-cho-gan-benh-vien-gan-truong-hoc-28342316.htm>