The DEMO version only includes 4 pages:
http://khayhopgoquatang.com
http://khayhopgoquatang.com/gioi-thieu.html
http://khayhopgoquatang.com/shop/san-pham.html
http://khayhopgoquatang.com/shop/khay-go/khay-dung-do.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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