<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.laptophardware.hu/lg-lp156wd1-tlb2-hasznalt-1600x900-hd-led-matt-kijelzo-lenovo-thinkpad-t510-t61-laptopokhoz-5071.html>