<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-tivi-loa-amply-may-nghe-nhac/loa-di-dong-keo-bock-608-26847336.htm>