Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
quang cong » quang cuong, quang dong, quang hoang
doi chieu » doc hieu, doi chi, ho chieu
trung dat » trung dai, trong dat, truong dai
trung dam » trung tam, trung dai, trong dam
cong san » cong tac
san than » sang than, san thanh, ban than
than cap » khan cap, thanh lap, thanh cac

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - thanh ((trung dat) OR (trung dam)) quang cong san than cap~".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh ((trung dat) OR (trung dam)) quang cong san than cap*.