Intermediate level: Mua thả ga, Chọn thoải mái, Đổi vô tư (Paid lesson)

How to buy it: 

1/ Pay via Paypal, 2USD

https://www.paypal.me/TUNGLY

2/ After paying, please send me your e-mail address. My e-mail address is tung.thanh.ly@gmail.com

3/ I will send you the Video lesson link.

You may want to consider becoming a sponsor by supporting me at 10USD a month. Being a sponsor, you can access all paid lessons on this website. (I will send you 4 ~ 8 lessons every month)

Lý Thanh Tùng