Perhaps you should try some spelling variations:
lam thuoc » nam thuoc, am thuc, cay thuoc
hieu van » hieu va, thien van, lieu va
thuoc bo » thuoc ho, hoc bo, thuoc ma
te sach » toc sach
lang xa » lang ha, dang xay, lang van
van lam » van nam
benh te » benh tre, benh he, benh theo
benh ve » benh va, benh vien, benh viem
cua tre » cua te, cuu tre, cua triet
y lang » o lang, _ lang, tay lang

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 lang xa hoi. hieu van lam thuoc bo ((benh te) or (benh ve)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y lang xa hoi. hieu van lam thuoc bo ((benh te) OR (benh ve)) cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach y lang xa hoi. hieu van lam thuoc bo ((benh te) or (benh ve)) cua tre*.