Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
hanh doanh » hang doanh, chinh doanh, doanh doanh
theo chua » theo chu, ho chua, cheo cua
chua xang » chua nang, chuc nang, chu bang
doanh cua » doanh luan
cua khong » hua khong, cua phuong, cua thuong
tac toan » tam toan, hach toan, tich toan
tap toan » tap doan, tap quan, bai toan

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: theo chua xang - hanh doanh cua khong cong ((tac toan) OR (tap toan)) cau~.
• Adding a wildcard symbol may retrieve word variants: theo chua xang - hanh doanh cua khong cong ((tac toan) or (tap toan)) cau*.