Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hanh dung » thanh dung, anh dung, hanh dong
cua nhung » va nhung
dung cua » dung luan, dung cho
cong tac » cong ty
toan ban » van ban
ha tinh » va tinh, may tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) or (ha tinh)) - hanh dung cua nhung cong tac ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (ha tinh)) - hanh dung cua nhung cong tac ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (ha tinh)) - hanh dung cua nhung cong tac ((toan tap) or (toan ban))*.