<http://schema.org/headline>
"Mang iPhone 7 \u0111i l\u00E0m s\u1EBD b\u1ECB sa th\u1EA3i!"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.baomoi.com/mang-iphone-7-di-lam-se-bi-sa-thai/c/20484660.epi>