Perhaps you should try some spelling variations:
nhieu tang » chieu sang, hieu lang, nhiet nang
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
dong cong » duong cong, dung cong, dang cong
tung cua » trung cua, tuong cua, dung cua
cua dong » chua dong, cua cong, cua dang
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((nhieu tang) or (chieu xanh)) - thanh tung cua dong cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((nhieu tang) OR (chieu xanh)) - thanh tung cua dong cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((nhieu tang) or (chieu xanh)) - thanh tung cua dong cong tac toan ban*.