<http://schema.org/headline>
"M\u1EADt ong hoa nh\u00E3n H\u01B0ng Y\u00EAn \u0111\u01B0\u1EE3c c\u1EA5p nh\u00E3n hi\u1EC7u ch\u1EE9ng nh\u1EADn b\u1EA3o h\u1ED9 "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.vietnamplus.vn/mat-ong-hoa-nhan-hung-yen-duoc-cap-nhan-hieu-chung-nhan-bao-ho/402471.vnp>