The phrase appears to be a specific "dork" or search operator pattern used to find deep links within a particular site or database.
: If you are looking for specific documentation, adding filetype:pdf or filetype:zip can narrow down the results to downloadable archives. searching for oldgoesyoung 2020 inall categor link
If you have a more specific context or details about what you're looking for, I'd be happy to try and assist further! The phrase appears to be a specific "dork"
Prepare variants to try