Perhaps you should try some spelling variations:
luan triet » luan thiet, luan tieu, luan viet
triet nhan » trien nhan, tri nhan, trien nha
doanh hoan » doanh doanh, doanh khoa, doanh nhan
hang khoa » dung khoa
nhan kinh » than kinh, nha kinh, nhan sinh
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 triet nhan kinh doanh hoan (thien OR thieu)~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ban hang khoa luan ket luan triet nhan kinh doanh hoan (thien OR thieu)".
• Adding a wildcard symbol may retrieve word variants: ban hang khoa luan ket luan triet nhan kinh doanh hoan (thien OR thieu)*.