Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
dung cong » dung trong
thanh mau » hanh mau, thanh san, thanh ngu
thanh hai » thanh phan, thanh hoa, thanh san
cua dung » cua dang, cua dong, qua dung
cong san » cong tac

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) or (chiet tach)) - hanh trinh cua dung cong san ((thanh mau) or (thanh hai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chiet tach)) - hanh trinh cua dung cong san ((thanh mau) OR (thanh hai)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chiet tach)) - hanh trinh cua dung cong san ((thanh mau) or (thanh hai))*.