Perhaps you should try some spelling variations:
thanh chuong » thanh huong, thanh cong, nhanh chong
chieu sang » chieu sach, chieu xanh, hieu lang
chuong ca » chuong chua, chuong han, chung cu
trong san » trong cac, cong san, trong ca
dong san » cong san, dong bang, dong von
toan cao » toan ban, toan tap
ca dung » cao dung, cap dung, cu dung

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 (hieu qua)) - thanh chuong ca dung ((trong san) or (dong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu qua)) - thanh chuong ca dung ((trong san) OR (dong san)) toan cao.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (hieu qua)) - thanh chuong ca dung ((trong san) or (dong san)) toan cao*.