Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
chieu sang » chieu sach, chieu xanh, hieu lang
trong quan » thong quan, tong quan, thong quang
quan nhung » qua nhung, cua nhung, luan chung
doi chieu » doc hieu, doi chi, ho chieu
thanh lap » thanh san, phan lap, thanh hai
cong ban » cong bang, cong tan, cong dan
cong san » cong tac

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