Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
chieu tinh » trieu tinh, lieu tinh, chau tinh
dang cong » dung cong
phan lua » phap lua, phan dua, phap luat
lua dang » cua dang, lua sang, luan nang
cong tan » cong tac, cong san, cong thanh
tan thi » tran thi, tang thi, dan thi
thi phi » chi phi, phi phi, thi phu

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 (chieu tinh)) - co phan lua dang cong tan thi phi~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (chieu tinh)) - co phan lua dang cong tan thi phi.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) or (chieu tinh)) - co phan lua dang cong tan thi phi*.