Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tran » thanh trang, thanh toan, thanh tra
hieu lang » chieu sang, hieu quang, nhieu tang
tran quan » tran quang, tran xuan, tran tuan
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
tran chau » tranh chap
cong tan » cong tac, cong san, cong thanh
tran huu » tran duc

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) or (hieu lang)) - thanh tran quan dung cong tan ((tran chau) OR (tran huu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (hieu lang)) - thanh tran quan dung cong tan ((tran chau) OR (tran huu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (hieu lang)) - thanh tran quan dung cong tan ((tran chau) OR (tran huu))".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (hieu lang)) - thanh tran quan dung cong tan ((tran chau) OR (tran huu))*.