Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
ninh viet » sinh vien, anh viet
cong cong » cong dong, trong cong, dung cong
ho chieu » theo chieu, hoc thieu, mot chieu
cong ban » cong bang, cong san, cong tan
ban hanh » ban hang
hanh lap » thanh lap, hanh lam, hanh cap

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 - hanh ((ninh viet) or (sinh vat)) cong cong ban hanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh ((ninh viet) OR (sinh vat)) cong cong ban hanh lap*.