Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
ky lang » ky dang, ky tang, tay lang
va cham » va chat, va tham
va hanh » van hanh, va thanh, va danh
tai cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
te cac » tu cac, ve cac, te cao
va cai » va cac, va bai, va dai
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te cac ((ky lang) or (ky nang)) xa hoi. hieu ((va cai) or (va cham)) luc va hanh tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ((ky lang) OR (ky nang)) xa hoi. hieu ((va cai) OR (va cham)) luc va hanh tai cua tre.
• Adding a wildcard symbol may retrieve word variants: te cac ((ky lang) or (ky nang)) xa hoi. hieu ((va cai) or (va cham)) luc va hanh tai cua tre*.