Perhaps you should try some spelling variations:
thieu nganh » hieu nganh, trien nganh, nghiep nganh
hanh dung » thanh dung, anh dung, hanh dong
nang cong » nang song, dang cong, bang cong
tong cong » trong cong, cong cong, dung cong
dang hanh » dang thanh, ban hanh, dang van
hanh cac » hang cac, hanh cat, hanh cham

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 nganh - hanh dung luan ((nang cong) or (tong cong)) dang hanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu nganh - hanh dung luan ((nang cong) OR (tong cong)) dang hanh cac*.