Perhaps you should try some spelling variations:
qua thai » qua hai, qua khai, qua tai
thai son » thai den, thai do, thai hoc
nang xa » nang x, lang xa, nang ma
danh vi » hanh vi, danh di, danh va
dinh vi » dinh ve, dinh viet, dinh tri
cua tre » cua te, cuu tre, cua triet
te cac » tu cac, ve cac, te cao
son va » song va, son la, lon va

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 nang xa hoi. hieu qua thai son va ((danh vi) or (dinh vi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ky nang xa hoi. hieu qua thai son va ((danh vi) OR (dinh vi)) cua tre.
• Adding a wildcard symbol may retrieve word variants: te cac ky nang xa hoi. hieu qua thai son va ((danh vi) or (dinh vi)) cua tre*.