Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
luan chung » luan chinh
chung cong » nhung cong, chong cong, phung cong
hieu lang » hieu quang, nhieu tang, hieu van
hanh dung » thanh dung, anh dung, hanh dong
cong danh » cuong danh, cong dan, cong thanh
danh phan » doanh phan, danh nhan, danh phap
phan dau » phan tu, hang dau

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 lang)) - hanh dung luan chung cong danh phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu lang)) - hanh dung luan chung cong danh phan dau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (hieu lang)) - hanh dung luan chung cong danh phan dau*.