Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tran » thanh trang, thanh toan, thanh tra
nhung cong » dung cong, thong cong, hang cong
van nhung » van nhuong, va nhung, van hung
chi sach » chinh sach, co sach, moi sach
tran van » luan van
cong dan » cong san, cong tan, huong dan
than cao » thai cao, than cap, than sao
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chi sach) or (chieu sach)) - thanh tran van nhung cong dan ((than cao) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi sach) OR (chieu sach)) - thanh tran van nhung cong dan ((than cao) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: doi ((chi sach) or (chieu sach)) - thanh tran van nhung cong dan ((than cao) or (toan cao))*.