<http://schema.org/headline>
"\u201CH\u00E0 N\u1ED9i - \u0110i\u1EC7n Bi\u00EAn Ph\u1EE7 tr\u00EAn kh\u00F4ng\u201D: 12 ng\u00E0y \u0111\u00EAm l\u1ECBch s\u1EED"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.baomoi.com/ha-noi-dien-bien-phu-tren-khong-12-ngay-dem-lich-su/c/9875914.epi>