Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hieu lang » chieu sang, hieu quang, nhieu tang
tranh cua » doanh cua, manh cua
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
san chat » van chat, san chay, ban chat
chat cau » chat cam, chat cao, chat va

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 (hieu lang)) - canh tranh cua dung cong san chat cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (hieu lang)) - canh tranh cua dung cong san chat cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (hieu lang)) - canh tranh cua dung cong san chat cau*.