<http://schema.org/headline>
"Vi\u1EC7t Nam tham d\u1EF1 H\u1ED9i ngh\u1ECB \u0110\u1ED1i t\u00E1c ngh\u1ECB vi\u1EC7n \u00C1-\u00C2u l\u1EA7n th\u1EE9 ch\u00EDn"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.vietnamplus.vn/viet-nam-tham-du-hoi-nghi-doi-tac-nghi-vien-aau-lan-thu-chin/382761.vnp>