Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, hieu ve
chat xuc » chat huu, cam xuc, chao xu
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
xuc van » duc van, luc van, xuc ban
cua tre » cuu tre, cua triet, dua tren
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: te sach ty nang xa hoi. ((hieu van) OR (lieu va)) chat xuc van hanh vi ((cua tre) OR (cua te))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang xa hoi. ((hieu van) OR (lieu va)) chat xuc van hanh vi ((cua tre) or (cua te))~".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang xa hoi. ((hieu van) OR (lieu va)) chat xuc van hanh vi ((cua tre) or (cua te))*.