Perhaps you should try some spelling variations:
chiet tach » chieu sach
thanh tran » thanh trang, thanh toan, thanh tra
quang cong » quang cuong, quang dong, quang hoang
doi chiet » doi chieu, doi chi, doi viet
tan quang » tran quang, tang quang, than quang
tran tan » tran tuan, tran van, tran thanh
cong san » cong tac
than cau » toan cau, phan cau, than cap
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chiet tach - thanh tran tan quang cong san ((than cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chiet tach - thanh tran tan quang cong san ((than cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: doi chiet tach - thanh tran tan quang cong san ((than cau) or (phan cac))*.