You can usually find the answers on the same page or reverse page of the next day's puzzle, depending on the paper.
And if you don't have the following days paper, you could try choosing one of the more obscure clues from the cross
Word and put it into a search engine within quotation marks.
I'm not sure about all the search engines, but I know that in
google, when you place quotation marks around a phrase, it will only search for pages that contain that exact phrase. There's a good chance that the exact
Wording of the clue will only occur once on the internet - it sounds unlikely, but you'd be surprised.