Which project and model is this in? Could you please provide a URL (you can DM me if you wish) so I can take a look at this inside your actual project?
is probably due to the “stemming” we have to do on the main search box, which is searching across all the record’s fields (not just its title) and typically works better with organic natural words rather than technical product IDs. In this case, it’s probably the hyphen confusing the stemmer algorithm. It’s not a simple wildcard search across all fields.
For this particular use case, rather than using the primary search box (that tries to be a bit too “smart” sometimes), I think it would be better for you to use the explicit filters to search only by that field via the “contains” operator: