The DEMO version only includes 4 pages:
http://thepkimhungphat.com
http://thepkimhungphat.com/gioithieu.html
http://thepkimhungphat.com/nganh/16054/thep-hinh.html
http://thepkimhungphat.com/nganh/16055/thep-tam.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.
Go back to the index page