Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
thi chieu » thi chien, thi hieu, theo chieu
theo chu » theo chieu, cho chu, chao chu
anh bang » anh hoang, anh quang, tinh bang
anh dang » anh dong, anh dung, anh danh
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: ((thi chieu) or (theo chu)) xanh - ((anh bang) or (anh dang)) cua thong cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thi chieu) OR (theo chu)) xanh - ((anh bang) OR (anh dang)) cua thong cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: ((thi chieu) or (theo chu)) xanh - ((anh bang) or (anh dang)) cua thong cong tac toan cau*.