Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
tang luanu » hang luan, tong luan, tang quan
duong cong » dung cong, luong cong, duong trong
tang luan » dung luan
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 - hanh ((tang luanu) or (tang luan)) duong cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((tang luanu) OR (tang luan)) duong cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((tang luanu) or (tang luan)) duong cong tac toan ban*.