Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
cong quang » luong quang, thong quang, duong quang
thanh chau » thanh cha, thanh cham, thanh chu
ho chieu » theo chieu, hoc thieu, doi chieu
qua cong » cua cong, qua song, va cong
hang cau » hang dau, hang ca, nhung cau

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 tung ((qua cong) or (su dung)) cong quang ((hang cau) or (thanh chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh tung ((qua cong) OR (su dung)) cong quang ((hang cau) OR (thanh chau)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh tung ((qua cong) or (su dung)) cong quang ((hang cau) or (thanh chau))*.