Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va
cam duc » cam xuc, cao duc, pham duc
cua tre » cua te, cuu tre, cua triet
sinh y » sinh ly
y nang » ky nang, ly nang, v nang
vi cua » vai cua, di cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sinh y nang xa hoi. ((hieu ve) or (hieu van)) cam duc va thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sinh y nang xa hoi. ((hieu ve) OR (hieu van)) cam duc va thanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: hoc sinh y nang xa hoi. ((hieu ve) or (hieu van)) cam duc va thanh vi cua tre*.