Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
doanh luan » doanh nhan
luan nong » luan nang, luan cong, luan dong
nong cong » cong cong, tong cong, nang cong
hoc tieu » hoc thieu, hoc dieu, hoc sieu
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tai
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 tieu) or (hoc hien)) minh - doanh doanh luan nong cong tan ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc tieu) OR (hoc hien)) minh - doanh doanh luan nong cong tan ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ((hoc tieu) or (hoc hien)) minh - doanh doanh luan nong cong tan ((toan cau) or (toan tap))*.