Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
khong cong » khong cang, chong cong, khong con
thong cong » trong cong, tong cong, thong thong
chi hanh » chi nhanh, chi thanh, thi hanh
doi chi » doi khi
ban cau » bang cau, ban can, van cau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi hanh - canh doanh luan ((khong cong) or (thong cong)) van ban cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi hanh - canh doanh luan ((khong cong) OR (thong cong)) van ban cau*.