Perhaps you should try some spelling variations:
thanh doi » thanh loi, thanh moi, thanh do
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
van cam » van lam, van cau, van dam
doi cua » dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
loc va » hoc va, luc va
x hoi » xa hoi, o hoi, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang ((x hoi) or (x ho)). hieu ((van cam) or (van nam)) loc va thanh doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ((x hoi) OR (x ho)). hieu ((van cam) OR (van nam)) loc va thanh doi cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach y nang ((x hoi) or (x ho)). hieu ((van cam) or (van nam)) loc va thanh doi cua tre*.