Searching GitHub packages yields weird results

[freddydk]

Select Topic Area

Bug

Body

I am using GitHub packages for nuget packages, where the name contains a GUID.
When searching for this GUID using the SearchQueryService endpoint (https://nuget.pkg.github.com/\<organization>/query) exposed by the nuget endpoint (https://nuget.pkg.github.com/</organization>/index.json), then it doesn't locate all packages.
I can repro a similar behavior in the UI - searching for "ff9b702" in my packages gives me one package:

Filtering it down further by adding another 0 - and suddenly another package appears (which should have been there before as well):

I cannot find any pattern in this behavior. Other names are found successfully with partial or full GUIDs, like: