<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://dotnet.edu.vn/TinTucND/Outlookcom-dat-moc-60-trieu-nguoi-su-dung-chi-trong-vong-chua-day-sau-thang-127.aspx>