Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
hieu vien » hieu hien, hieu viec, thieu nien
thanh vai » thanh hai, thanh van, thanh tai
vien cac » vien bach, vien dai, vien da
ky lang » ky nang, ky dang, tay lang
ky tang » ky nang, ky dang, kho tang
cac xuc » cam xuc, cac nuoc, chat xuc
xuc ban » duc ban, cuc ban, quoc ban
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
su cac » tu cac, su cao, su can

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

• Performing a fuzzy search may retrieve terms with similar spellings: su cac ((ky lang) OR (ky tang)) xa hoi. hieu vien cac xuc ban thanh vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su cac ((ky lang) OR (ky tang)) xa hoi. hieu vien cac xuc ban thanh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: su cac ((ky lang) OR (ky tang)) xa hoi. hieu vien cac xuc ban thanh vai cua tre*.