Perhaps you should try some spelling variations:
vien cac » vien bach, vien dai, vien da
lang van » dang van, tang van, hoang van
vai cua » dai cua, hai cua, lai cua
van anh » van thanh, tuan anh, van minh
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
ky lang » ky nang, ky dang, ky tang
sai ky » sac ky
ve cac » va cac
tu sai » tu bai, tu san, tu cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky lang van hoa. hieu ((ve cac) OR (vien cac)) xuc ((va hanh) or (van anh)) vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky lang van hoa. hieu ((ve cac) OR (vien cac)) xuc ((va hanh) OR (van anh)) vai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky lang van hoa. hieu ((ve cac) OR (vien cac)) xuc ((va hanh) or (van anh)) vai cua tre*".