Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
cong cong » trong cong, dung cong, dang cong
anh dung » anh dong, anh huong, sach dung
dung duc » duong duc, dang duc, dung du
tan than » tan thanh, tan tran, ban than
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: nho ((hieu lang) or (chieu sang)) - anh dung duc ((cong cong) or (cong dong)) tan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nho ((hieu lang) OR (chieu sang)) - anh dung duc ((cong cong) OR (cong dong)) tan than cap.
• Adding a wildcard symbol may retrieve word variants: nho ((hieu lang) or (chieu sang)) - anh dung duc ((cong cong) or (cong dong)) tan than cap*.