Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
thu san » thuy san, thu ban, phu san
nang xa » nang x, lang xa, nang ma
hieu va » hieu qua
cam tuc » cam xuc, cam tu, nam thuc
va hanh » van hanh, va thanh, va danh
cua tre » cuu tre, cua triet, dua tren
san ky » sang ky, van ky, dan ky
tuc va » thuc va, truc va, tuc xa
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: thu san ky nang xa hoi. ((lieu va) OR (hieu va)) cam tuc va hanh vai ((cua tre) OR (cua te))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu san ky nang xa hoi. ((lieu va) or (hieu va)) cam tuc va hanh vai ((cua tre) OR (cua te))~".
• Adding a wildcard symbol may retrieve word variants: thu san ky nang xa hoi. ((lieu va) or (hieu va)) cam tuc va hanh vai ((cua tre) OR (cua te))*.