Perhaps you should try some spelling variations:
ky dang » ky danh
anh tai » hanh tai, anh thai, vanh tai
tai cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
su sai » su tai, su hai, su dai
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
va anh » van anh, va danh, va hanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sai ((ky dang) or (ky nang)) xa hoi. hieu ((ve cam) or (va cam)) duc va anh tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ((ky dang) OR (ky nang)) xa hoi. hieu ((ve cam) OR (va cam)) duc va anh tai cua tre.
• Adding a wildcard symbol may retrieve word variants: su sai ((ky dang) or (ky nang)) xa hoi. hieu ((ve cam) or (va cam)) duc va anh tai cua tre*.