Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
tu sach » thu sach, su sach, te sach
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, xuc ban
cua tre » cua te, cuu tre, cua triet
tu sac » tu cac, tu san, tu bac
ve cam » ve cham, ve cac, va cam
vi cua » vai cua, di cua

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) OR (tu sach)) ky tang xa hoi. hieu ve cam xuc van hanh vi cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) OR (tu sach)) ky tang xa hoi. hieu ve cam xuc van hanh vi cua tre*.