Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
cham xuc » cam xuc, chat xuc, cham soc
kho tang » cao tang
cua tre » cua te, cuu tre, cua triet
xuc van » duc van, luc van, xuc ban
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
ky tang » ky nang, ky dang, ky trong
te sach » toc sach
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 cac) or (te sach)) ((ky tang) or (kho tang)) xa hoi. hieu ve cham xuc van hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cac) OR (te sach)) ((ky tang) OR (kho tang)) xa hoi. hieu ve cham xuc van hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu cac) or (te sach)) ((ky tang) or (kho tang)) xa hoi. hieu ve cham xuc van hanh vi cua tre*.