Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
cua phuong » cuu phuong, cuc phuong, luan phuong
doi chieu » doc hieu, doi chi, ho chieu
cua thong » cua thuong, cua khong, cua tong
doi chau » gioi chau, hoi chu, lai chau
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren
tran cao » toan cao, tran chau, trang cho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chau) or (doi chieu)) tinh - hanh trinh ((cua thong) or (cua phuong)) cong tac tran cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chau) OR (doi chieu)) tinh - hanh trinh ((cua thong) OR (cua phuong)) cong tac tran cao.
• Adding a wildcard symbol may retrieve word variants: ((doi chau) or (doi chieu)) tinh - hanh trinh ((cua thong) or (cua phuong)) cong tac tran cao*.