<https://caohungdiamond.com/san-pham/nhan-kim-cuong-nu-vang-trang-18k-ch-0208/#product>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://caohungdiamond.com/san-pham/nhan-kim-cuong-cao-hung-ch-5251/>