Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
cua tre » cua te, cuu tre, cua triet
vai cua » dai cua, hai cua, lai cua
ky tang » ky nang, ky dang, kho tang
ky lang » ky nang, ky dang, tay lang
va hanh » van hanh, va thanh, va danh
son va » song va, son la, lon va
te cac » tu cac, ve cac, te cao
va tac » va cac
va tai » va tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: te cac ((ky lang) or (ky tang)) xa hoi. hieu ((va tai) or (va tac)) son va hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ((ky lang) OR (ky tang)) xa hoi. hieu ((va tai) OR (va tac)) son va hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: te cac ((ky lang) or (ky tang)) xa hoi. hieu ((va tai) or (va tac)) son va hanh vai cua tre*.