Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
ban danh » ban doanh, ban hanh, ban dan
so sach » so sanh, bo sach, co sach
mang xa » lang xa, mang may, dang xay
sang ma » tang ma, nang ma, sang tao
danh vi » hanh vi, dinh vi, danh di
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)) hoi. hieu van ban tu ban danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y ((mang xa) OR (sang ma)) hoi. hieu van ban tu ban danh vi cua te.
• Adding a wildcard symbol may retrieve word variants: so sach y ((mang xa) or (sang ma)) hoi. hieu van ban tu ban danh vi cua te*.