Perhaps you should try some spelling variations:
cao thuc » cao thuoc, bao thuc, cao thu
toc sach » hoc sach, doc sach, thuoc sach
hanh vai » hanh vi, hanh va, hanh tai
can thuc » dan thuc, van thuc, cay thuc
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa
y nang » ky nang, ly nang, v nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (toc sach)) y nang ma hoi. lieu va ((cao thuc) or (can thuc)) va hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) y nang ma hoi. lieu va ((cao thuc) OR (can thuc)) va hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) y nang ma hoi. lieu va ((cao thuc) or (can thuc)) va hanh vai cua tre*.