Do you need to find the subtitles for any movie? That could be a problem unless you have a tool like Sublight, a desktop utility that gives you access to the online subtitles database subtitles-on.net.
Enter the title of the movie you want to obtain the subtitle, then filter the results by languages.
One of the main features of Sublight is the possibility to play the movie featuring the subtitles without having to do intermediate steps, you only have to set Sublight as you default multimedia player.