Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thanh dung » thanh duong, thanh tung, thanh hung
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
cua nhung » va nhung
ban thanh » ban hanh, ban hang
dung cua » dung luan, dung cho

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 - thanh dung cua nhung cong ((ban thanh) or (van ban)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - thanh dung cua nhung cong ((ban thanh) OR (van ban)) cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - thanh dung cua nhung cong ((ban thanh) or (van ban)) cau*.