<http://schema.org/headline>
"S\u00E1ch hay: Ch\u01B0 t\u1EED - m\u01B0u l\u01B0\u1EE3c tung ho\u00E0nh"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.baomoi.com/sach-hay-chu-tu-muu-luoc-tung-hoanh/c/20464749.epi>