Perhaps you should try some spelling variations:
cap nuoc » dat nuoc
te sach » toc sach
hieu le » hieu ve, hieu he, hieu ly
lua tre » cua tre, luy tre, dua tren
y nang » ky nang, ly nang, v nang
le cap » le cau
va dao » ca dao
dao va » dao van, tao va, do va
va lua » va luat, ca lua, vi lua
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 y nang ((x ho) or (o hoi)). hieu le cap nuoc va dao va lua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ((x ho) OR (o hoi)). hieu le cap nuoc va dao va lua tre.
• Adding a wildcard symbol may retrieve word variants: te sach y nang ((x ho) or (o hoi)). hieu le cap nuoc va dao va lua tre*.