Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
hieu van » hieu va, thien van, lieu va
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
hieu ve » hieu va
xuc van » duc van, luc van, xuc ban
vi cua » vai cua, di cua

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