Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
van thanh » ban thanh, van tuan
hieu ve » hieu va, hieu van
vai cua » dai cua, hai cua, lai cua
xuc van » duc van, luc van, xuc ban
cac xuc » cam xuc, cac nuoc, chat xuc
cua tre » cua te, cuu tre, cua triet
ky dang » ky nang, ky danh
ky lang » ky nang, ky tang, tay lang
ha hoi » hoa hoi, ha noi, xa hoi
ve cac » va cac, vien cac
su cac » su cao, su can, eu cac

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) or (tu cac)) ((ky lang) OR (ky dang)) ha hoi. hieu ve cac xuc van thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su cac) OR (tu cac)) ((ky lang) OR (ky dang)) ha hoi. hieu ve cac xuc van thanh vai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su cac) or (tu cac)) ((ky lang) OR (ky dang)) ha hoi. hieu ve cac xuc van thanh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((su cac) or (tu cac)) ((ky lang) OR (ky dang)) ha hoi. hieu ve cac xuc van thanh vai cua tre*.