<http://schema.org/headline>
"Khai m\u1EA1c H\u1ED9i ngh\u1ECB B\u1ED9 tr\u01B0\u1EDFng Ngo\u1EA1i giao ASEAN-EU l\u1EA7n th\u1EE9 21"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.vietnamplus.vn/khai-mac-hoi-nghi-bo-truong-ngoai-giao-aseaneu-lan-thu-21/410839.vnp>