Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh tai, thanh oai
thanh van » thanh san, thanh toan, thanh phan
cua tre » cua te, cuu tre, cua triet
xuc ban » duc ban, cuc ban, quoc ban
cac xuc » cam xuc, cac nuoc, chat xuc
ky lang » ky nang, ky tang, tay lang
hieu ve » hieu va, hieu van
ky dang » ky nang, ky danh
ve cac » va cac, vien cac
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 dang)) xa hoi. hieu ve cac xuc ban ((thanh vai) OR (thanh van)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su cac ((ky lang) OR (ky dang)) xa hoi. hieu ve cac xuc ban ((thanh vai) OR (thanh van)) cua tre".
• Adding a wildcard symbol may retrieve word variants: su cac ((ky lang) OR (ky dang)) xa hoi. hieu ve cac xuc ban ((thanh vai) OR (thanh van)) cua tre*.