If you use BS.Player , it has a built-in feature that automatically searches for and downloads subtitles from multiple online databases when you open a video file. Quick Tips for Better Results
If no manual translation is available, online tools like HappyScribe or Subanana can use AI to generate or translate subtitles into Bosnian. Yellowstone (2018) Bosnian subtitles
Sites like Prijevodi-online or the Croatian/regional sections of OpenSubtitles are the most reliable sources for Bosnian, Serbian, and Croatian (EX-YU) translations for TV series. If you use BS