<http://schema.org/headline>
"C\u00E1ch t\u0103ng tu\u1ED5i th\u1ECD v\u00E0 th\u1EDDi gian s\u1EED d\u1EE5ng pin cho laptop"^^<http://www.w3.org/2001/XMLSchema#string>
<https://it60s.org/tang-tuoi-tho-va-thoi-gian-su-dung-pin-cho-laptop-ban-co-biet.html>