Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
anh truong » manh truong, anh thuong, anh trong
doi chieu » doc hieu, doi chi, ho chieu
truong va » truong dai, truong cao, truong dao
dang cong » dung cong
cong vang » cong lang, cong quang, cong ngang
quang cao » quang nam
va dang » van dang, va nang, va lang

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 - anh truong va dang cong vang ((quang cao) or (nang cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - anh truong va dang cong vang ((quang cao) OR (nang cao)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - anh truong va dang cong vang ((quang cao) or (nang cao))*.