Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
nhung cong » dung cong, thong cong, hang cong
tranh van » tran van, trinh van, thanh van
van nhung » van nhuong, va nhung, van hung
cong dan » cong san, cong tan, huong dan
toan tap » toan ban
toan cao » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) OR (chiet tach)) - canh tranh van nhung cong dan ((toan tap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chiet tach)) - canh tranh van nhung cong dan ((toan tap) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chiet tach)) - canh tranh van nhung cong dan ((toan tap) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) OR (chiet tach)) - canh tranh van nhung cong dan ((toan tap) or (toan cao))*.