Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
quan dang » quang dang, quan lang, quan dong
dang cong » dung cong
thanh lap » phan lap, thanh hai, thanh van
anh tang » anh bang, anh dang, anh nang
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - ((thanh trung) or (anh tang)) quan dang cong san ((thanh lap) or (thanh san))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - ((thanh trung) OR (anh tang)) quan dang cong san ((thanh lap) OR (thanh san)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - ((thanh trung) or (anh tang)) quan dang cong san ((thanh lap) or (thanh san))*.