Perhaps you should try some spelling variations:
doanh hoan » doanh doanh, doanh khoa, doanh nhan
hang khoa » dung khoa
luan tieu » luan thiet
luat kinh » qua kinh, luoc kinh
xuan kinh » xuan dinh, qua kinh, than kinh
hoan hieu » hoan thien, hoang dieu, doanh hieu
ban hang » ngan hang
luan ket » lien ket
ket luan » ket qua, te luan, dat luan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ban hang khoa luan ket luan tieu ((luat kinh) OR (xuan kinh)) doanh hoan hieu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ban hang khoa luan ket luan tieu ((luat kinh) OR (xuan kinh)) doanh hoan hieu".
• Adding a wildcard symbol may retrieve word variants: ban hang khoa luan ket luan tieu ((luat kinh) OR (xuan kinh)) doanh hoan hieu*.