<http://schema.org/headline>
"Th\u1EE7 t\u01B0\u1EDBng Singapore L\u00FD Hi\u1EC3n Long th\u0103m ch\u00EDnh th\u1EE9c Australia"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.vietnamplus.vn/thu-tuong-singapore-ly-hien-long-tham-chinh-thuc-australia/410227.vnp>