<http://schema.org/headline>
" Ngo\u1EA1i tr\u01B0\u1EDFng M\u1EF9 k\u00EAu g\u1ECDi c\u00E1c bi\u1EC7n ph\u00E1p m\u1EDBi ch\u1ED1ng t\u1ED5 ch\u1EE9c IS"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.vietnamplus.vn/ngoai-truong-my-keu-goi-cac-bien-phap-moi-chong-to-chuc-is/397285.vnp>