Perhaps you should try some spelling variations:
chong cong » cong cong, thong cong, cuong cong
doi chieu » doc hieu, doi chi, mot chieu
cua chong » cua cong, cua chung, cua khong
ho chieu » theo chieu, hoc thieu, mot chieu
anh bang » anh hoang, anh quang, tinh bang
anh dong » anh huong, anh son
cong tac » cong ty
tac nhan » tao nhan, cac nhan, dac nhan
nhan cau » nhanh cau, phan cau, nhan sau

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 (doi chieu)) tinh - ((anh bang) or (anh dong)) cua chong cong tac nhan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) tinh - ((anh bang) OR (anh dong)) cua chong cong tac nhan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chieu)) tinh - ((anh bang) or (anh dong)) cua chong cong tac nhan cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (doi chieu)) tinh - ((anh bang) or (anh dong)) cua chong cong tac nhan cau*.