Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
cong quang » luong quang, thong quang, duong quang
hieu lang » hieu quang, nhieu tang, hieu van
cu phuong » cuu phuong, cau phuong, cua phuong
cong van » cong vang, cong san, song van
than cap » khan cap, thanh lap, thanh cac
cong cu » chung cu

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 (hieu lang)) - thanh cong cu phuong ((cong van) or (cong quang)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (hieu lang)) - thanh cong cu phuong ((cong van) OR (cong quang)) than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sang) OR (hieu lang)) - thanh cong cu phuong ((cong van) or (cong quang)) than cap".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) OR (hieu lang)) - thanh cong cu phuong ((cong van) or (cong quang)) than cap*.