Perhaps you should try some spelling variations:
thanh dien » thanh vien, thanh nien, thanh hien
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
dien cua » dieu cua, dien cuc, dien cu
cua tre » cua te, cuu tre, cua triet
loc va » hoc va, luc va
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky nang x hoi. hieu van cham ((tuc xa) or (loc va)) thanh dien cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang x hoi. hieu van cham ((tuc xa) OR (loc va)) thanh dien cua tre.
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang x hoi. hieu van cham ((tuc xa) or (loc va)) thanh dien cua tre*.