Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
thanh dung » thanh duong, thanh tung, thanh hung
duong cong » dung cong, luong cong, duong trong
cong cong » cong dong, trong cong, dung cong
vang than » sang than, van than, cang thang
than cap » khan cap, thanh lap, thanh cac

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 sach)) - thanh dung va ((duong cong) or (cong cong)) vang than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu sach)) - thanh dung va ((duong cong) OR (cong cong)) vang than cap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (chieu sach)) - thanh dung va ((duong cong) or (cong cong)) vang than cap*".