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 dan » cong tan, huong dan, cong dong
cong san » cong tac
toan tap » toan ban

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "chao cuu van - hanh trinh cua thong ((cong dan) OR (cong san)) toan tap~".
• Adding a wildcard symbol may retrieve word variants: chao cuu van - hanh trinh cua thong ((cong dan) OR (cong san)) toan tap*.