Perhaps you should try some spelling variations:
ban doanh » van doanh, san doanh, toan doanh
thu sach » tu sach, thuat sach, thuoc sach
ban danh » ban hanh, ban dan, van danh
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao
de cua » le cua, te cua, dieu cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky lang xa hoi. hieu va cam xuc ((ban danh) OR (ban doanh)) de cua tre~.
• Adding a wildcard symbol may retrieve word variants: thu sach ky lang xa hoi. hieu va cam xuc ((ban danh) or (ban doanh)) de cua tre*.