Use the G and H keys in VLC to adjust subtitle delay if the text doesn't match the audio.
OpenSubtitles: A massive database where you can find various versions (BluRay, DVD, WEBRip) to match your video file. Podnapisi: Good for alternative sync versions. 💡 Quick Tips for Bloggers The Sorcerer's Apprentice titulky PerskГ©
If the Persian letters look like weird symbols, change the subtitle encoding to UTF-8 or Arabic (Windows-1256) in your player settings. Use the G and H keys in VLC