Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
cong quang » luong quang, thong quang, duong quang
thanh chau » thanh cha, thanh chu, thanh hai
thanh cham » thanh pham, thanh cha, hanh cham
trung cua » truong cua, trung tuan, trung cap
dong cong » duong cong, dung cong, dang cong
ho chieu » theo chieu, hoc thieu, doi chieu
cua dong » chua dong, cua cong, cua dang

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 xanh - thanh trung cua dong cong quang ((thanh chau) or (thanh cham))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trung cua dong cong quang ((thanh chau) OR (thanh cham))*.