Perhaps you should try some spelling variations:
lam thuoc » nam thuoc, am thuc, cay thuoc
toc sach » hoc sach, doc sach, thuoc sach
sach thu » sach thue, sach thieu, sach tham
thong xa » thong va, thong ha, thong xu
hieu van » hieu va, thien van, lieu va
thuoc va » thuc va, thuoc ma, thuong va
chua tre » chua tri, cua tre, chua trieu
van lam » van nam
va hang » van hang, va nang, va lang
va chua » vua chua, ca chua, va chu

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach thu ((thong xa) OR (thong xay)) hoi. hieu van lam thuoc va hang va chua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach thu ((thong xa) OR (thong xay)) hoi. hieu van lam thuoc va hang va chua tre".
• Adding a wildcard symbol may retrieve word variants: toc sach thu ((thong xa) OR (thong xay)) hoi. hieu van lam thuoc va hang va chua tre*.