Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh tai, hanh van
cua tre » cua te, cuu tre, cua triet
ky dang » ky nang, ky danh
hanh va » hang va, hanh vi
va thai » van thai, va tham, va thi
dang xa » dang xay, lang xa, dang ha
va tai » va tac, va tap
son va » song va, son la, lon va
te cac » tu cac, ve cac, te cao

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 dang xa hoi. hieu ((va thai) or (va tai)) son va ((hanh vai) OR (hanh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ky dang xa hoi. hieu ((va thai) OR (va tai)) son va ((hanh vai) OR (hanh va)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te cac ky dang xa hoi. hieu ((va thai) or (va tai)) son va ((hanh vai) OR (hanh va)) cua tre".
• Adding a wildcard symbol may retrieve word variants: te cac ky dang xa hoi. hieu ((va thai) or (va tai)) son va ((hanh vai) OR (hanh va)) cua tre*.