Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
cua thong » cua thuong, cua khong, cua tong
chao cuu » cham cuu, chao chu, khao cuu
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan tap » toan ban

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: chao cuu van - hanh trinh cua thong ((cong tan) OR (cong san)) toan tap~.
• Adding a wildcard symbol may retrieve word variants: chao cuu van - hanh trinh cua thong ((cong tan) or (cong san)) toan tap*.