Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
ho chieu » theo chieu, hoc thieu, doi chieu
cua dong » chua dong, cua cong, cua dang
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - hanh trinh cua dong ((cong tan) OR (cong tac)) ((than cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trinh cua dong ((cong tan) OR (cong tac)) ((than cau) OR (phan cau))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh trinh cua dong ((cong tan) OR (cong tac)) ((than cau) or (phan cau))*".