Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chieu sang, chieu xanh
trung quan » truong quan, trong quan, trung tuan
quan tong » quan trong, quan dong, quan long
cong dang » cong dan, cong dung, cong danh
hanh bac » nhanh bac, thanh bac, hanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sach) OR (chiet tach)) - thanh trung quan tong ((cong dang) or (cong dong)) hanh bac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chiet tach)) - thanh trung quan tong ((cong dang) OR (cong dong)) hanh bac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) OR (chiet tach)) - thanh trung quan tong ((cong dang) or (cong dong)) hanh bac".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) OR (chiet tach)) - thanh trung quan tong ((cong dang) or (cong dong)) hanh bac*.