Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
nhanh dung » nhanh dong, hanh dung, nhanh hung
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
chu sang » chu bang, thu sang, chuc nang
dung cua » dung luan, dung cho
cong ban » cong bang, cong san, cong tan
phap dau » phan dau, phap day, pham dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho ((chu sang) or (chieu sang)) - nhanh dung cua thong cong ban phap dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((chu sang) OR (chieu sang)) - nhanh dung cua thong cong ban phap dau.
• Adding a wildcard symbol may retrieve word variants: cho ((chu sang) or (chieu sang)) - nhanh dung cua thong cong ban phap dau*.