Perhaps you should try some spelling variations:
tien thanh » tien thinh, tran thanh, den thanh
thanh tung » thanh cong
dung cong » dung trong
cong suat » nang suat, cong san, cong cua
suat nhan » sat nhan, xuat nhap, luat ngan
hoc tien » hoc tieng, hoc hien, hoc vien
nhan tai » hang tai, van tai, toan tai
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc tien thanh - ((thanh trung) or (thanh tung)) va dung cong suat nhan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tien thanh - ((thanh trung) OR (thanh tung)) va dung cong suat nhan tai.
• Adding a wildcard symbol may retrieve word variants: hoc tien thanh - ((thanh trung) or (thanh tung)) va dung cong suat nhan tai*.