<http://schema.org/headline>
"H\u00E9 l\u1ED9 Galaxy C9 - smartphone RAM 6GB \u0111\u1EA7u tay c\u1EE7a Samsung"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.baomoi.com/he-lo-galaxy-c9-smartphone-ram-6gb-dau-tay-cua-samsung/c/20592549.epi>