Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
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
ma hoi » mai hoi, xa hoi, me hoi
xuc va » duc va, tuc va, luc 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 nang ((ma hoi) or (ma hoa)). hieu ((van lam) or (van nam)) xuc va hanh tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ky nang ((ma hoi) OR (ma hoa)). hieu ((van lam) OR (van nam)) xuc va hanh tai cua tre.
• Adding a wildcard symbol may retrieve word variants: te cac ky nang ((ma hoi) or (ma hoa)). hieu ((van lam) or (van nam)) xuc va hanh tai cua tre*.