Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vi » hanh vi, thanh va, thanh ve
sach ly » sach y, sach ty, sach hay
xuc ban » duc ban, cuc ban, quoc ban
cac xuc » cam xuc, cac nuoc, chat xuc
hieu va » lieu va, hieu qua
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
sach lo » sach dao, sach doi, sach hoi
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di 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: tu ((sach ly) OR (sach lo)) ((nang xa) OR (nang ma)) hoi. hieu va cac xuc ban thanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ly) OR (sach lo)) ((nang xa) or (nang ma)) hoi. hieu va cac xuc ban thanh vi cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ly) OR (sach lo)) ((nang xa) or (nang ma)) hoi. hieu va cac xuc ban thanh vi cua tre*.