Perhaps you should try some spelling variations:
nhung chong » nhung cong, nhung phong, nhung phuong
chieu sach » chinh sach, chiet tach, chieu sang
doc chieu » doc hieu, doi chieu, toc thieu
van thanh » ban thanh, van tuan
dang hanh » dang thanh, ban hanh, dang van
cong va » dong va, cong ha, 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: doc chieu sach - thanh cong va nhung chong ((van thanh) or (dang hanh)) cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc chieu sach - thanh cong va nhung chong ((van thanh) OR (dang hanh)) cap.
• Adding a wildcard symbol may retrieve word variants: doc chieu sach - thanh cong va nhung chong ((van thanh) or (dang hanh)) cap*.