Perhaps you should try some spelling variations:
cao thuoc » cay thuoc, cua thuoc, nam thuoc
thanh vai » thanh hai, thanh van, thanh tai
cao thuc » bao thuc, can thuc, cao thu
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
y nang » ly nang, v nang, may nang
x hoi » xa hoi, o hoi, x ho

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 ((y nang) OR (ky nang)) x hoi. lieu va ((cao thuc) or (cao thuoc)) va thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y nang) OR (ky nang)) x hoi. lieu va ((cao thuc) OR (cao thuoc)) va thanh vai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y nang) OR (ky nang)) x hoi. lieu va ((cao thuc) or (cao thuoc)) va thanh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) OR (ky nang)) x hoi. lieu va ((cao thuc) or (cao thuoc)) va thanh vai cua tre*.