The DEMO version only includes 4 pages:
http://bangkeoducthinh.com
http://bangkeoducthinh.com/gioithieu.html
http://bangkeoducthinh.com/class/60890/băng-keo--băng-dính.html
http://bangkeoducthinh.com/class/60891/màng-pe--màng-bảo-vệ.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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