<http://schema.org/target>
"http://omt.vn/?s={search_term}"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.omt.vn/index.php?option=com_content&view=article&id=353%3Adu-hoc-my&catid=34%3Ad-an&Itemid=178&lang=vi>