Perhaps you should try some spelling variations:
hoc thieu » hoc hien
dung cong » dung trong
thanh ta » thanh tra, thanh tai, thanh tay
van dung » van dong, xay dung, tin dung
cong tac » cong ty
tac hanh » tac thanh, tac danh, sac hanh
hanh cap » hanh cac, hanh cat, hanh cad
ta van » tan van, tap van, va van

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

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