Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
thanh tung » thanh cong
thong cong » trong cong, thong thong, phong chong
thanh phan » thanh pho, thanh san, thanh toan
hieu lang » hieu quang, nhieu tang, hieu van
tong cong » trong cong, cong cong, dung cong
tung cua » trung cua, tuong cua, dung cua
phan cau » phan dau, phan cac, phan tu

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

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