Perhaps you should try some spelling variations:
thanh soc » thanh son, nhanh soc, thanh hoc
qua thanh » quan thanh, cua thanh, qua than
ky lang » ky nang, ky dang, ky tang
lang ha » long ha
hanh di » hanh de, hang di, danh di
cua tre » cua te, cuu tre, cua triet
te cac » tu cac, ve cac, te cao
ha hoi » hoa hoi, ha noi, xa hoi
soc va » hoc va, loc va, doc 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 lang ha hoi. hieu qua thanh soc va ((hanh di) or (hanh vi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ky lang ha hoi. hieu qua thanh soc va ((hanh di) OR (hanh vi)) cua tre.
• Adding a wildcard symbol may retrieve word variants: te cac ky lang ha hoi. hieu qua thanh soc va ((hanh di) or (hanh vi)) cua tre*.