Perhaps you should try some spelling variations:
hieu ket » hieu kem, thien ket, lien ket
cau luc » cau truc, cau phuc
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
te san » te ban, ke san, tu san
san ky » sang ky, van ky, dan ky
nang o » nang co, nang ho, nang ro
luc va » duc va, tuc va, loc va
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 san ky nang o hoi. hieu ket cau luc va hanh vi ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te san ky nang o hoi. hieu ket cau luc va hanh vi ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: te san ky nang o hoi. hieu ket cau luc va hanh vi ((cua tre) or (cuu tre))*.