Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh dung » thanh dung, hanh dong, manh dung
theo cuu » theo chu, khao cuu, theo yeu
thao cua » thai cua, than cua, tho cua
anh dung » anh dong, anh huong, sach dung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo cuu) or (thao cua)) tinh - ((hanh dung) or (anh dung)) va nhung cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo cuu) OR (thao cua)) tinh - ((hanh dung) OR (anh dung)) va nhung cong tac toan tap.
• Adding a wildcard symbol may retrieve word variants: ((theo cuu) or (thao cua)) tinh - ((hanh dung) or (anh dung)) va nhung cong tac toan tap*.