Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, hieu nganh, dieu hanh
doanh cua » doanh luan
cua thong » cua thuong, cua khong, cua tong
luan phan » luan van, luan hoan
hoc hieu » hoc thieu, hoc hien, doc hieu
van phan » van phong, van thanh, van ban
va phan » va phat, va phap, hoa phan

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 hieu manh - doanh doanh cua thong cong ((va phan) OR (((van phan) OR (luan phan)))) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - doanh doanh cua thong cong ((va phan) or (((van phan) OR (luan phan)))) cau~".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - doanh doanh cua thong cong ((va phan) or (((van phan) OR (luan phan)))) cau*.