Perhaps you should try some spelling variations:
thanh tung » thanh cong
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, cong tan
tien anh » tieng anh, tien manh, dien anh
tung cua » trung cua, tuong cua, dung cua
cua dung » cua dang, cua dong, qua dung
cong tac » cong ty
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: toc ((chieu xanh) or (tien anh)) - thanh tung cua dung ((cong tac) or (cong thanh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((chieu xanh) OR (tien anh)) - thanh tung cua dung ((cong tac) OR (cong thanh)) toan cau.
• Adding a wildcard symbol may retrieve word variants: toc ((chieu xanh) or (tien anh)) - thanh tung cua dung ((cong tac) or (cong thanh)) toan cau*.