Based on the phrasing "pirate proxy knaben" (German for "boys"), you are likely referring to (often Knaben.to or similar domains), which is a well-known Danish BitTorrent tracker, or the various proxy sites used to access it when blocked.
You would build a PHP or Node.js scraper that fetches https://knaben.net/ (or current main domain), rewrites all URLs, and passes through search queries via cURL. pirate proxy knaben
Instead of using random "Knaben proxy" sites, use Tor Browser to access the real Knaben onion service (if available) or use a VPN to connect directly to the official domain. Based on the phrasing "pirate proxy knaben" (German