Perhaps you should try some spelling variations:
thanh tri » thanh tra, thanh tai, chinh tri
van thanh » ban thanh, van tuan
hieu vien » hieu hien, hieu viec, thieu nien
vien dai » hien dai
cua tre » cua te, cuu tre, cua triet
duc van » duc va, duc tan, duc manh
dai duc » dao duc, dai dua, mai duc
tu sac » tu sach, tu cac, tu san
tu can » tu ban, tu cac, thu canh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sac) or (tu can)) ky nang ((o lai) or (o lao)). hieu vien dai duc van thanh tri cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu can)) ky nang ((o lai) OR (o lao)). hieu vien dai duc van thanh tri cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu can)) ky nang ((o lai) or (o lao)). hieu vien dai duc van thanh tri cua tre*.