Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh, hieu manh
cang thang » cong thanh, dang thanh
thang van » tang van, thanh van, thong van
huy dong » ha dong
cua dong » chua dong, cua cong, cua dang
van cau » van dau, van hau, van chat

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 (chieu xanh)) - canh tranh ((huy dong) or (cua dong)) cang thang van cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu xanh)) - canh tranh ((huy dong) OR (cua dong)) cang thang van cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu xanh)) - canh tranh ((huy dong) or (cua dong)) cang thang van cau*.