Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
hien nhanh » hien hanh, thien thanh, dien thanh
tien thanh » tien thinh, tran thanh, den thanh
tuong cua » truong cua, huong cua, thong cua
trong dan » trong dang, trong san, trong tan
cua dung » cua dang, cua dong, qua dung
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien nhanh) or (tien thanh)) - thanh tuong cua dung trong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien nhanh) OR (tien thanh)) - thanh tuong cua dung trong dan than cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien nhanh) or (tien thanh)) - thanh tuong cua dung trong dan than cao*.