Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » hoc hien
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
ho chieu » theo chieu, doi chieu, mot chieu
tang cua » mang cua, hang cua, tang 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.

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