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