<http://schema.org/headline>
"Vi\u1EC7t Nam: C\u00E0ng ng\u00E1n Trung Qu\u1ED1c, c\u00E0ng th\u00E2n Hoa K\u1EF3"^^<http://www.w3.org/2001/XMLSchema#string>
<http://vi.rfi.fr/viet-nam/20151229-viet-nam-cang-ngan-trung-quoc-cang-than-voi-my>