Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
thien van » thi van
tam thuc » tham thuc, am thuc, nam thuc
dinh dat » dinh ket, dinh van, dinh lam
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, mang xa
nang ma » tang ma, sang ma, nang cao
van tam » van tham, van tai, van tan
thuc va » thuc vat, thuc dan, thuc day
va dinh » van dinh, va kinh, va tinh
dat cua » dai cua, day cua, mat cua
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach ky ((nang xa) or (nang ma)) hoi. thien van tam thuc va dinh dat cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach ky ((nang xa) OR (nang ma)) hoi. thien van tam thuc va dinh dat cua tre.
• Adding a wildcard symbol may retrieve word variants: thuoc sach ky ((nang xa) or (nang ma)) hoi. thien van tam thuc va dinh dat cua tre*.