Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
trung tran » trung tuan, trung thanh, trung tam
quang dong » quang dung, quan dong, quang cuong
thanh cha » thanh ha, thanh phan, thanh pham
thanh nha » thanh nhan, thanh ha, thanh nga
dong tan » duong tan, dong tai, dong san

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 sach)) - hanh trung tran quang dong tan ((thanh cha) or (thanh nha))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((chieu xanh) OR (chieu sach)) - hanh trung tran quang dong tan ((thanh cha) OR (thanh nha)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((chieu xanh) OR (chieu sach)) - hanh trung tran quang dong tan ((thanh cha) or (thanh nha))".
• Adding a wildcard symbol may retrieve word variants: doc ((chieu xanh) OR (chieu sach)) - hanh trung tran quang dong tan ((thanh cha) or (thanh nha))*.