Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
thanh ninh » thanh binh, thanh tinh, thanh vinh
viet chung » viet hung, viet phuong, viet thuong
chung cong » nhung cong, chong cong, phung cong
ninh viet » sinh vien, anh viet
cong ban » cong bang, cong san, cong tan
than cap » khan cap, thanh lap, thanh cac
phan lap » phan dau

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 (chinh sach)) - thanh ninh viet chung cong ban ((than cap) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chinh sach)) - thanh ninh viet chung cong ban ((than cap) OR (phan lap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) OR (chinh sach)) - thanh ninh viet chung cong ban ((than cap) or (phan lap))*".