Spaces in the address

Good afternoon.

Prompt there is a small problem when trying to add a recipient.

When I write the recipient's last name in the "To" line, everything works correctly and I am prompted to select the recipient from the list of people with that last name. But if I write a surname, put a space and write the first letter of the name, for a more accurate search, the search gives me recipients with a surname starting with this letter, ignoring what I wrote before.

For example:

If I type Kurt in the "To" field, the search immediately prompts me to fill the field with the value Kurt Cobain, but if I type "To" Kurt C then the search will suggest "Claudia Mori".

It seems to me that this is not entirely correct.

Maybe someone can suggest how to fix this.

I am attaching a video example