Perhaps you should try some spelling variations:
lam thuoc » nam thuoc, am thuc, cay thuoc
thanh vai » thanh hai, thanh van, thanh tai
hieu van » hieu va, thien van, hieu ve
thuoc va » thuc va, thuoc ma, thuong va
va thanh » gia thanh, ban thanh, va tinh
sach ky » sach y, sach ty, sach kem
nang ma » tang ma, sang ma, nang cao
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ky) or (sac ky)) nang ma hoa. ((hieu van) OR (lieu va)) lam thuoc va thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sac ky)) nang ma hoa. ((hieu van) OR (lieu va)) lam thuoc va thanh vai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (sac ky)) nang ma hoa. ((hieu van) OR (lieu va)) lam thuoc va thanh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sac ky)) nang ma hoa. ((hieu van) OR (lieu va)) lam thuoc va thanh vai cua tre*.