<http://schema.org/headline>
"Khi c\u00E1c cu\u1ED9c thi hoa h\u1EADu b\u1ECB m\u1EA5t gi\u00E1 "^^<http://www.w3.org/2001/XMLSchema#string>
<http://news.zing.vn/khi-cac-cuoc-thi-hoa-hau-bi-mat-gia-post259687.html>