Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
hanh cong » thanh cong, hang cong, hanh dong
dung cong » dung trong
cong cua » cong cu, dong cua, huong cua
than cap » khan cap, thanh lap, thanh cac
toan cao » toan ban, toan tap

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 - hanh cong cua ((nhung cong) or (dung cong)) dan ((than cap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh cong cua ((nhung cong) OR (dung cong)) dan ((than cap) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh cong cua ((nhung cong) or (dung cong)) dan ((than cap) or (toan cao))*.