Perhaps you should try some spelling variations:
thanh trung » thanh tung
thuat nang » thuat bang, thuat mang, thuat trang
hoc thieu » toc thieu, hoc hien
nang cong » nang song, dang cong, bang cong
ho chieu » theo chieu, doi chieu, mot chieu
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren
tran tap » toan tap, tran tan, tran tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (hoc thieu)) sang - ((thanh trung) or (thanh cong)) thuat nang cong tac tran tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sang - ((thanh trung) OR (thanh cong)) thuat nang cong tac tran tap.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) sang - ((thanh trung) or (thanh cong)) thuat nang cong tac tran tap*.