Perhaps you should try some spelling variations:
van chat » cao chat
te sach » toc sach
van cau » van dau, van hau, toan cau
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
nang o » nang co, nang ho, nang ro
bo van » vo van, do van, ho van
so van » su van, vo van
vi cua » vai cua, di cua
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 o hoi. hieu ((van cau) or (van chat)) ((bo van) or (so van)) hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang o hoi. hieu ((van cau) OR (van chat)) ((bo van) OR (so van)) hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach y nang o hoi. hieu ((van cau) or (van chat)) ((bo van) or (so van)) hanh vi cua tre*.