Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
thanh cau » thanh chau, nhanh cau, thanh ca
thanh mau » hanh mau, thanh san, thanh hai
ho chieu » theo chieu, hoc thieu, doi chieu
cua nong » cuu nong, cua dong, cua song
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 - thanh trung ((cua nong) OR (cua cong)) cong san ((thanh cau) or (thanh mau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh trung ((cua nong) OR (cua cong)) cong san ((thanh cau) OR (thanh mau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh trung ((cua nong) OR (cua cong)) cong san ((thanh cau) or (thanh mau))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh trung ((cua nong) OR (cua cong)) cong san ((thanh cau) or (thanh mau))*.