Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cong thanh » dong thanh, cong trinh, cong tan
thanh tan » thanh toan, thanh tuan, thanh san
tran dang » tran quang, tran hoang, tranh hang
cong tran » cong tan, cong tuan, cong toan
quang tap » quang tay, quang tuan, quang tran

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: mot chieu sach - thanh tan tran dang ((cong tran) OR (cong thanh)) quang tap~.
• Adding a wildcard symbol may retrieve word variants: mot chieu sach - thanh tan tran dang ((cong tran) or (cong thanh)) quang tap*.