Perhaps you should try some spelling variations:
thanh nien » thanh vien, thanh nhan, thanh liem
ban thanh » ban hanh, ban hang
nien cua » dien cua, tien cua, bien cua
so sanh » do sanh
sanh ky » hanh ky, sang ky, nganh ky
cac dac » cac dan, cac dai, cac tac
cac bac » cac bai, cac ban, cac cach
cua tre » cua te, cuu tre, cua triet
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: so sanh ky nang x hoi. hieu qua ((cac dac) or (cac bac)) ban thanh nien cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ky nang x hoi. hieu qua ((cac dac) OR (cac bac)) ban thanh nien cua tre.
• Adding a wildcard symbol may retrieve word variants: so sanh ky nang x hoi. hieu qua ((cac dac) or (cac bac)) ban thanh nien cua tre*.