Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
cua tre » cua te, cuu tre, cua triet
xuc van » duc van, luc van, xuc ban
ky lang » ky nang, ky dang, tay lang
ky tang » ky nang, ky dang, kho tang
hanh di » hanh vi, hanh de, hang di
di cua » dai cua, doi cua, de cua
tu sac » tu sach, tu cac, tu san
va cam » va cham, va cac, va cao
ve cam » ve cham, ve cac, ve cai

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