The DEMO version only includes 4 pages:
http://dhthuanthanh.com
http://dhthuanthanh.com/vi/gioi-thieu.html
http://dhthuanthanh.com/vi/ban-lien-lac.html
http://dhthuanthanh.com/vi/ban-thuong-truc-hoi-dong-huong-thuan-thanh.html

It is possible to download these free files and install them on your server, so you can test how the site works.
Visit https://www.waybackmachinedownloader.com/en/buy-wayback-machine-downloader-recover/ to buy a fully functioning site.
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