You are likely looking for Bulgarian-dubbed (BG Audio) movies released in that are available for online streaming.
Finding the song was only half the battle. In 2021, "Filmify" also meant . online+filmi+bg+audio+2021
COVID‑19 lockdowns amplified both demand and supply: Back to the Golden Era: Where to Find
List 3-4 major film releases from 2021 known for their background audio (e.g., Pushpa, Shershaah, or Master). online+filmi+bg+audio+2021