Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cua bang » chua bang, cua ban, cua hang
cua dang » cua cong, cua ban
cong dan » cong san, cong tan, huong dan
dan can » dan chan, dan canh, dan ca
can cau » van cau, ban cau, ca 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 ((chinh sach) or (chiet tach)) - hanh tinh ((cua bang) OR (cua dang)) cong dan can cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chinh sach) OR (chiet tach)) - hanh tinh ((cua bang) OR (cua dang)) cong dan can cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chinh sach) or (chiet tach)) - hanh tinh ((cua bang) OR (cua dang)) cong dan can cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chinh sach) or (chiet tach)) - hanh tinh ((cua bang) OR (cua dang)) cong dan can cau*.