Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
thai son » thai den, thai do, thai hoc
hieu va » lieu va, hieu qua
va thai » van thai, va tai, va tham
cua tre » cua te, cuu tre, cua triet
ky tang » ky nang, ky dang, kho tang
ky lang » ky nang, ky dang, tay lang
son va » song va, son la, lon va
ve cac » va cac, vien cac
vi cua » vai cua, di cua
te cac » tu cac, te cao, de cac

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) OR (ve cac)) ((ky lang) or (ky tang)) xa hoi. hieu va thai son va thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te cac) OR (ve cac)) ((ky lang) OR (ky tang)) xa hoi. hieu va thai son va thanh vi cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te cac) OR (ve cac)) ((ky lang) or (ky tang)) xa hoi. hieu va thai son va thanh vi cua tre*".