<http://schema.org/headline>
"Vi\u1EC7t Nam d\u1EF1 H\u1ED9i ngh\u1ECB C\u00F4ng ngh\u1EC7 d\u1EA7u kh\u00ED ngo\u00E0i kh\u01A1i t\u1EA1i M\u1EF9"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.vietnamplus.vn/viet-nam-du-hoi-nghi-cong-nghe-dau-khi-ngoai-khoi-tai-my/321631.vnp>