Tbh, haven’t tried anything similar but happy to explore and help find a solution. Stating the obvious here, but I suppose you have tried importing the CSV file into posts and then applying a plugin that makes lists on the front-end searchable?

Which plugins have you tried up to this point? Also telling us which steps you took to apply those plugins could be useful. The more info the better. I’m thinking error messages if any, screenshots, names of plugins, ….