Perhaps you should try some spelling variations:
thanh vi » thanh va, thanh ve, nhanh vi
te sach » toc sach
sach va » sach xa, sach ha, sach dao
xuc ban » duc ban, cuc ban, quoc ban
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
va nang » van nang, da nang, cam nang
nang o » nang co, nang ho, nang ro
o hoi » co hoi, o hoc, o hai

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 va nang o hoi. ((hieu ve) or (lieu va)) cam xuc ban ((thanh vi) or (hanh vi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach va nang o hoi. ((hieu ve) OR (lieu va)) cam xuc ban ((thanh vi) OR (hanh vi)) cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach va nang o hoi. ((hieu ve) or (lieu va)) cam xuc ban ((thanh vi) or (hanh vi)) cua tre*.