It's possible that:
* The title is incorrect: You might be remembering a different title or the year is wrong.
* It's a very obscure film: If it's a very old, low-budget, or regional film, information may be hard to find.
* You are thinking of a different film: There may be a film with a similar plot or concept that you're thinking of.
Do you remember any other details about the film like the genre, the plot, or any of the actors you might have seen in it? This could help identify the film.