http://John1126.com/share/20250207-yacy-crawl-of-books-converted-from-PDF-to-text-files,-then-yacy-can-search-them-for-keywords.mp4

If you want to search your own private collection of material: First, you need to make your collection available to a Yacy crawl. Then crawl your content. Then perform a search while specifying part or all of the IP address where your content is hosted, to prevent results not from your collection from appearing. Watching the video should make this clear.