Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
chua dong » cua dong, ha dong, huy dong
dong cong » duong cong, dung cong, dang cong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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

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