Perhaps you should try some spelling variations:
hanh doanh » chinh doanh, doanh doanh, kinh doanh
hang doanh » nhung doanh, van doanh, dung doanh
hang khoa » dung khoa
thiet thi » tiet thi, thiet bi, thieu nhi
hoan hien » hoan thien, han hien, hoa hien
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 thiet thi ((hanh doanh) OR (hang doanh)) hoan hien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ban hang khoa luan ket luan thiet thi ((hanh doanh) OR (hang doanh)) hoan hien".
• Adding a wildcard symbol may retrieve word variants: ban hang khoa luan ket luan thiet thi ((hanh doanh) OR (hang doanh)) hoan hien*.