<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.jobbird.com/nl/vacature/7031909/spa-wnp-ingenieurs-projectco-rdinator-en-adviseur-externe-veiligheid-brzo-voor-bedrijven-32-40-uur-terneuzen>