Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, mot chieu
tranh cua » doanh cua, manh cua
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, mot chieu
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: ((((ho chieu) or (hoc hien))) or (doi chieu)) xanh - canh tranh cua nhung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((ho chieu) OR (hoc hien))) OR (doi chieu)) xanh - canh tranh cua nhung cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: ((((ho chieu) or (hoc hien))) or (doi chieu)) xanh - canh tranh cua nhung cong tac toan cau*.