Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
hanh san » thanh san, khach san, thanh son
tac toan » tap toan, tam toan, hach toan
toan ban » van ban
san cua » sang cua, ban cua, dan cua

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 - hanh san cua ((dung cong) or (thong thong)) tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh san cua ((dung cong) OR (thong thong)) tac toan ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh san cua ((dung cong) or (thong thong)) tac toan ban*.