Perhaps you should try some spelling variations:
lam thuoc » nam thuoc, am thuc, cay thuoc
thu lang » thu bang, phu lang, tho lang
thu hang » thi hang, thuc hanh, thu huong
hieu van » hieu va, thien van, lieu va
thuoc va » thuc va, thuoc ma, thuong va
chua tre » chua tri, cua tre, chua trieu
te sach » toc sach
van lam » van nam
va nang » van nang, da nang, cam nang
nang va » nang van, hang va, nang ma
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: te sach ((thu lang) OR (thu hang)) xa hoi. hieu van lam thuoc va nang va chua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((thu lang) OR (thu hang)) xa hoi. hieu van lam thuoc va nang va chua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((thu lang) OR (thu hang)) xa hoi. hieu van lam thuoc va nang va chua tre*.