Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
thong cong » trong cong, tong cong, thong thong
hien tinh » khien tinh, thien tinh, bien tinh
doanh cua » doanh luan
cua thong » cua thuong, cua khong, cua tong
cong tan » cong tac, cong san, cong thanh
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien tinh - hanh doanh cua thong cong tan ((toan tap) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien tinh - hanh doanh cua thong cong tan ((toan tap) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: hoc hien tinh - hanh doanh cua thong cong tan ((toan tap) or (van ban))*.