Perhaps you should try some spelling variations:
thien van » thi van
hieu van » hieu va, lieu va, hieu ve
tham xuc » tham nuoc, tham thuc, pham duc
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
tu cai » tu cac, tu can, tu bai
cai ky » cao ky, cac ky, cam ky
xuc va » duc va, tuc va, luc va
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: tu cai ky nang xa hoi. ((hieu van) OR (thien van)) tham xuc va hanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cai ky nang xa hoi. ((hieu van) OR (thien van)) tham xuc va hanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: tu cai ky nang xa hoi. ((hieu van) OR (thien van)) tham xuc va hanh vi cua tre*.