Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
trinh cua » tinh cua, trinh luat, trinh quan
trinh han » trinh quan
dong cong » duong cong, dung cong, dang cong
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: doi chieu sach - hanh ((trinh cua) or (trinh han)) dong cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh ((trinh cua) OR (trinh han)) dong cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh ((trinh cua) or (trinh han)) dong cong tac toan ban*.