Perhaps you should try some spelling variations:
lam thuoc » nam thuoc, am thuc, cay thuoc
hieu van » hieu va, thien van, lieu va
thuoc xa » thuoc ma, thuoc va, thuoc la
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty lang » tay lang, ty xang, ty hang
lang xa » lang ha, dang xay, lang van
van lam » van nam
cua te » cua tu

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