Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
chieu tinh » trieu tinh, lieu tinh, chau tinh
cong bai » cuong bai, cong hai, cong ba
cung bai » cuong bai, dung bai, nhung bai
toan ban » van ban
cong cu » chung cu
cu dong » cau dong, cua dong, cum dong

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 tinh)) - thanh cong cu dong ((cong bai) OR (cung bai)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu tinh)) - thanh cong cu dong ((cong bai) OR (cung bai)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (chieu tinh)) - thanh cong cu dong ((cong bai) OR (cung bai)) toan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chieu tinh)) - thanh cong cu dong ((cong bai) OR (cung bai)) toan ban*.