Perhaps you should try some spelling variations:
nang co » nang cao, nang doc, nang noi
va danh » va dinh, va dan, va hanh
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
co hoi » co hoc, co loi
ve cao » va cao, ve bao, ve co
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang co hoi. hieu ((ve cao) or (ve cac)) duc ((va danh) or (may tinh)) dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang co hoi. hieu ((ve cao) OR (ve cac)) duc ((va danh) OR (may tinh)) dai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang co hoi. hieu ((ve cao) or (ve cac)) duc ((va danh) or (may tinh)) dai cua tre*.