Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
cong bang » cuong bang, dong bang, cong lang
hong bang » dong bang, hang ban, hong hanh
trung va » truong va, trang va, trung ha
va thong » va thuong, va phuong, he thong
phan dau » phan tu, hang dau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sang) OR (chieu xanh)) - thanh trung va thong ((cong bang) or (hong bang)) phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (chieu xanh)) - thanh trung va thong ((cong bang) OR (hong bang)) phan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sang) OR (chieu xanh)) - thanh trung va thong ((cong bang) or (hong bang)) phan dau".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) OR (chieu xanh)) - thanh trung va thong ((cong bang) or (hong bang)) phan dau*.