Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
nhung cong » dung cong, thong cong, hang cong
hien tinh » khien tinh, thien tinh, bien tinh
doanh cua » doanh luan
cua nhung » va nhung
cong tan » cong tac, cong san, cong thanh
toan cao » toan tap
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: hoc hien tinh - hanh doanh cua nhung cong tan ((toan cao) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien tinh - hanh doanh cua nhung cong tan ((toan cao) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc hien tinh - hanh doanh cua nhung cong tan ((toan cao) OR (toan ban))*.