Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
cua hang » cua dang, cua nhung, cua cong
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, phan cau, than cap
toan ban » van ban
ho cuu » ho chu, ho cua, so cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho cuu tinh - hanh trinh cua hang ((cong tan) or (huong dan)) ((than cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho cuu tinh - hanh trinh cua hang ((cong tan) OR (huong dan)) ((than cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho cuu tinh - hanh trinh cua hang ((cong tan) or (huong dan)) ((than cau) or (toan ban))*.