Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
dang thanh » dong thanh, dang hanh, hoang thanh
hieu xanh » chieu xanh, hieu manh, hieu nganh
manh tran » manh toan, manh tuan, canh tranh
tran tuan » tran xuan, tran quang, tran thanh
tuan dang » tran dang, tuan bang, tuan dung
dang cong » dung cong
cong dang » cong dong, cong dan, cong dung
thanh ca » thanh cha, thanh cac, thanh ha

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (chieu sach)) - manh tran tuan dang cong dang thanh ca~.
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) or (chieu sach)) - manh tran tuan dang cong dang thanh ca*.