Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chieu sang, chieu xanh
trung tuan » trung thanh, trung tam, tran tuan
tuan hung » tran hung, luan hung, tuan dung
hung cong » nhung cong, hung cuong, phung cong
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chiet tach) OR (chieu sach)) - thanh trung tuan hung cong dan van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chiet tach) OR (chieu sach)) - thanh trung tuan hung cong dan van ban".
• Adding a wildcard symbol may retrieve word variants: doi ((chiet tach) OR (chieu sach)) - thanh trung tuan hung cong dan van ban*.