Perhaps you should try some spelling variations:
lam thuoc » nam thuoc, am thuc, cay thuoc
thuoc va » thuc va, thuoc ma, thuong va
dang van » hoang van
hieu van » hieu va, thien van, lieu va
cua tre » cua te, cua triet, dua tren
dan vai » dan va, dan tai, dan vat
te sach » toc sach
sach ky » sac ky, sach y, sach ty
van lam » van nam
cuu tre » cau tren, cau treo
va dan » ca dan, va dao, va dau

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: te sach ky ((dang van) OR (hang va)) hoi. hieu van lam thuoc va dan vai ((cua tre) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky ((dang van) OR (hang va)) hoi. hieu van lam thuoc va dan vai ((cua tre) or (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: te sach ky ((dang van) OR (hang va)) hoi. hieu van lam thuoc va dan vai ((cua tre) or (cuu tre))*.