Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, nhieu tang
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hieu lang » hieu quang, nhieu tang, hieu van
cao nhung » cho nhung, cam nhung, cao chung
tung cao » nung cao, truong cao, trung cap
cong san » cong tac
san tuan » van tuan, san luan, san quan
tuan cu » tuan tu, quan cua, tuan thu

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 (chieu sang))) or (hieu lang)) - thanh tung cao nhung cong san tuan cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((((chieu sach) OR (chieu sang))) OR (hieu lang)) - thanh tung cao nhung cong san tuan cu.
• Adding a wildcard symbol may retrieve word variants: doi ((((chieu sach) or (chieu sang))) or (hieu lang)) - thanh tung cao nhung cong san tuan cu*.