Perhaps you should try some spelling variations:
chiet tach » chieu sach
luan trinh » xuan trinh, luan tinh, luan tranh
trinh cong » trinh dung
doi chiet » doi chieu, doi chi, doi viet
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
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 chiet tach - hanh tang luan trinh cong tac toan ban~.
• Adding a wildcard symbol may retrieve word variants: doi chiet tach - hanh tang luan trinh cong tac toan ban*.