Perhaps you should try some spelling variations:
te cach » ve cach, te sach, tu cach
cach tu » cach thuc
tu nang » tru nang, tu nong, tu nano
hieu va » lieu va, hieu qua
cao xuc » cam xuc, cao duc, cao suc
xuc van » duc van, luc van, vuc van
hanh di » hanh de, hang di, danh di
cua tre » cua te, cuu tre, cua triet
nang o » nang co, nang ho, nang ro
va cao » va cac, va co, va dao
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 cach tu nang o hoi. hieu va cao xuc van ((hanh di) or (hanh vi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cach tu nang o hoi. hieu va cao xuc van ((hanh di) OR (hanh vi)) cua tre.
• Adding a wildcard symbol may retrieve word variants: te cach tu nang o hoi. hieu va cao xuc van ((hanh di) or (hanh vi)) cua tre*.