Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
thong cong » trong cong, tong cong, thong thong
hoc chieu » ho chieu, hoc hien, hoc dieu
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
cua thong » cua thuong, cua khong, cua tong
cong tac » cong ty
tran ban » tranh ban, toan ban, tran bai
tran van » luan van

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 chieu) OR (hoc thieu)) sang - hanh doanh cua thong cong tac ((tran ban) OR (tran van))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) or (hoc thieu)) sang - hanh doanh cua thong cong tac ((tran ban) OR (tran van))~".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc thieu)) sang - hanh doanh cua thong cong tac ((tran ban) OR (tran van))*.