Perhaps you should try some spelling variations:
hoc thieu » hoc hien
phan cong » thanh cong
cong cong » cong dong, trong cong, dung cong
thanh ta » thanh tra, thanh tai, thanh tay
cong van » cong vang, cong san, song van
van hanh » van thanh, ban hanh, van anh
hanh cap » hanh cac, hanh cat, hanh cad
ta phan » tai phan, tra phan, va phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (toc thieu)) manh - thanh ta phan cong cong van hanh cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) manh - thanh ta phan cong cong van hanh cap*.