Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
manh trung » manh tung, thanh trung, sinh trung
nhung cong » dung cong, thong cong, hang cong
manh hung » anh huong
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

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