Perhaps you should try some spelling variations:
ban doanh » van doanh, san doanh, ban danh
sang tao » hang tai
doanh vi » doanh va, doan vi, doanh vien
hieu van » hieu va, thien van, lieu va
so sach » so sanh, bo sach, co sach
sang ma » tang ma, nang ma, mang may
mang xa » lang xa, mang may, dang xay
ban tu » van tu
tu ban » thu ban, te ban
vi cua » vai cua, di cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach y ((mang xa) or (((sang ma) or (sang tao)))) hoi. hieu van ban tu ban doanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y ((mang xa) OR (((sang ma) OR (sang tao)))) hoi. hieu van ban tu ban doanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: so sach y ((mang xa) or (((sang ma) or (sang tao)))) hoi. hieu van ban tu ban doanh vi cua te*.