<http://schema.org/headline>
"Kh\u00F3 kh\u0103n trong ki\u1EC3m so\u00E1t s\u1EA3n ph\u1EA9m \u0111\u1ED9ng v\u1EADt"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.baomoi.com/kho-khan-trong-kiem-soat-san-pham-dong-vat/c/20588690.epi>