Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
sach kem » hanh kem
hieu van » hieu va, thien van, lieu va
cuc ban » cua ban, cac ban, cuu ban
cam cuc » cam xuc, cham cuu, pham cuc
van cam » van nam, van lam, van cau
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa
de cua » te cua, dieu cua
le cua » ly 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 kem) OR (cac ky)) nang ma hoi. hieu van cam cuc ban thanh ((de cua) OR (le cua)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach kem) or (cac ky)) nang ma hoi. hieu van cam cuc ban thanh ((de cua) OR (le cua)) tre~".
• Adding a wildcard symbol may retrieve word variants: tu ((sach kem) or (cac ky)) nang ma hoi. hieu van cam cuc ban thanh ((de cua) OR (le cua)) tre*.