Perhaps you should try some spelling variations:
hanh lai » hanh lam, hanh tai, thanh lap
lai cua » dai cua, hai cua, lai chau
vu cham » va cham, vu kham, tu cham
sach ky » sac ky, sach y, sach kem
hieu vu » hieu va, hieu ve, hieu su
tang ma » mang may, tang van
sach ty » sach y, sach tu, sach thu
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa
xuc va » duc va, tuc va, luc va

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: thuoc ((sach ky) OR (sach ty)) tang ma hoi. hieu vu cham ((xuc va) OR (thuc vat)) hanh lai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc ((sach ky) OR (sach ty)) tang ma hoi. hieu vu cham ((xuc va) or (thuc vat)) hanh lai cua tre~".
• Adding a wildcard symbol may retrieve word variants: thuoc ((sach ky) OR (sach ty)) tang ma hoi. hieu vu cham ((xuc va) or (thuc vat)) hanh lai cua tre*.