<http://schema.org/headline>
"H\u1ECDc sinh ti\u1EC3u h\u1ECDc thi k\u1EC3 chuy\u1EC7n b\u1EB1ng ti\u1EBFng Anh"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.baomoi.com/hoc-sinh-tieu-hoc-thi-ke-chuyen-bang-tieng-anh/c/20479246.epi>