Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, mot chieu
trinh cua » tinh cua, trinh luat, trinh quan
cua thong » cua thuong, cua khong, cua tong
ho chieu » theo chieu, hoc thieu, mot chieu
cong tac » cong ty
van cau » van dau, van chat, toan cau
van hau » van ha, van hai, van dau

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

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