<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.laptophardware.hu/dell-latitude-e5440-gyari-uj-us-angol-hatter-vilagitasos-laptop-billentyuzet-0pnc08-13207.html>