Library folder & search playlist

The problem about the search option on the prime 4 + it does not look similar like when i using the engine dj software ,for example i have create a playlist with music on the engine software dj ,when i am searching for a track in that playlist it focus only in the playlist include folder also ,but when i am using the prime hardware ,searching a song in my playlist or folder , it display all the track i have in my collection ,i wish you guy can fix that make look similar like the engine dj sofware ,it make work flow more easy