Perhaps you should try some spelling variations:
nang tai » hang tai, tang tai, sang tai
cua tre » cua te, cuu tre, cua triet
vai cua » dai cua, hai cua, lai cua
va tinh » may tinh
va hanh » van hanh, va thanh, va danh
tai roi » lai roi, tai hoi, tai loi
ve cac » va cac, vien cac
va cam » va cham, va cac, va cao
su cac » tu cac, su cao, su can

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 ky nang tai roi. hieu ((va cam) or (ve cac)) luc ((va hanh) or (va tinh)) vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cac ky nang tai roi. hieu ((va cam) OR (ve cac)) luc ((va hanh) OR (va tinh)) vai cua tre.
• Adding a wildcard symbol may retrieve word variants: su cac ky nang tai roi. hieu ((va cam) or (ve cac)) luc ((va hanh) or (va tinh)) vai cua tre*.