Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trang » thanh trung, canh tranh, hanh trinh
cua thuong » cua truong, cua phuong, ca thuong
cua khong » hua khong, cua phuong, cua cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
ban cau » bang cau, ban can, van cau
ca cau » cua cau, cac cau, can cau

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 trang ((cua thuong) or (cua khong)) cong tan ((ca cau) or (ban cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trang ((cua thuong) OR (cua khong)) cong tan ((ca cau) OR (ban cau)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trang ((cua thuong) or (cua khong)) cong tan ((ca cau) or (ban cau))*.