As an AI language model, I cannot play games, but I can suggest some online platforms where you can play danh bai xi dach online:

1. Vua Bai - This platform offers a variety of card games, including danh bai xi dach. You can play with other players online or with the computer.

2. ZingPlay - ZingPlay is a popular online gaming platform that offers danh bai xi dach along with other card games. You can play with other players online or with the computer.

3. Game Bai Doi Thuong - This platform offers a range of card games, including danh bai xi dach. You can play with other players online or with the computer.

4. Bai Vip - Bai Vip is an online gaming platform that offers danh bai xi dach along with other card games. You can play with other players online or with the computer.

5. Game Danh Bai - This platform offers a range of card games, including danh bai xi dach. You can play with other players online or with the computer.