Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
te sach » toc sach
van cau » van dau, van hau, van chat
cau luc » cau truc, cau phuc
luc van » luoc van, luu van, duc van
hanh ve » hanh vi, hanh va
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
x hoi » xa hoi, o hoi, x ho

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 hoi. hieu van cau luc van ((hanh ve) or (hanh kem)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang x hoi. hieu van cau luc van ((hanh ve) OR (hanh kem)) cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach y nang x hoi. hieu van cau luc van ((hanh ve) or (hanh kem)) cua tre*.