<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.chotot.com/quan-7/mua-ban-tu-lanh-may-lanh-may-giat/may-lanh-daikin-2hp-inverter-tiet-kiem-dien--27196199.htm>