Perhaps you should try some spelling variations:
bich doanh » kinh doanh, bich loan, bill doanh
doanh khoa » toan khoa
hang khoa » dung khoa
khoa than » hoa thai, hoa tan, kho khan
ban hang » ngan hang
ket luan » ket qua, te luan, ket doan
dat luan » dan luan, dau luan, dat quang

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) OR (dat luan)) trieu thi bich doanh khoa than~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ban hang khoa luan ((ket luan) OR (dat luan)) trieu thi bich doanh khoa than".
• Adding a wildcard symbol may retrieve word variants: ban hang khoa luan ((ket luan) OR (dat luan)) trieu thi bich doanh khoa than*.