The DEMO version only includes 4 pages:
http://thachanh.org
http://thachanh.org/gioi-thieu.html
http://thachanh.org/huong-dan-mua-hang.html
http://thachanh.org/ho-tro-sau-ban-hang.html

It is possible to download these free files and install them on your server, so you can test how the site works.
Visit http://www7.waybackmachinedownloader.com/en/buy-wayback-machine-downloader-recover/ to buy a fully functioning site.
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