Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
nhung cong » dung cong, thong cong, hang cong
cong quang » luong quang, thong quang, duong quang
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
ban cao » bao cao, ban co, bac cao
ban can » ban dan, ban hang, ban hanh

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 xanh) OR (chieu sang)) - thanh trung cua nhung cong quang ((ban cao) or (ban can))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sang)) - thanh trung cua nhung cong quang ((ban cao) OR (ban can)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) OR (chieu sang)) - thanh trung cua nhung cong quang ((ban cao) or (ban can))".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) OR (chieu sang)) - thanh trung cua nhung cong quang ((ban cao) or (ban can))*.