Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh trung » thanh trung, hanh trang, manh trung
trung tran » trung tuan, trung thanh, trung tam
quang dung » quang trung, ung dung, cuong dung
thanh cha » thanh ha, thanh phan, thanh pham
thanh nha » thanh nhan, thanh ha, thanh nga
dung tan » dung toan, duong tan, dung tai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((chieu xanh) or (chieu sang)) - hanh trung tran quang dung tan ((thanh cha) or (thanh nha))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((chieu xanh) OR (chieu sang)) - hanh trung tran quang dung tan ((thanh cha) OR (thanh nha)).
• Adding a wildcard symbol may retrieve word variants: doc ((chieu xanh) or (chieu sang)) - hanh trung tran quang dung tan ((thanh cha) or (thanh nha))*.