<http://schema.org/headline>
"Vi\u1EC7t Nam : L\u1EA1m ph\u00E1t t\u0103ng tr\u1EDF l\u1EA1i "^^<http://www.w3.org/2001/XMLSchema#string>
<http://vi.rfi.fr/viet-nam/20160325-viet-nam-lam-phat-tang-tro-lai>