Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh, hieu manh
tranh cua » doanh cua, manh cua
cua thang » cua hang, cua thanh, xua thang
long san » long span, luong san, dong san
cong san » cong tac
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: ho ((chieu sach) or (chieu xanh)) - canh tranh cua thang ((long san) or (cong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu xanh)) - canh tranh cua thang ((long san) OR (cong san)) toan cao.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu xanh)) - canh tranh cua thang ((long san) or (cong san)) toan cao*.