I noticed when I run "snap find" on a fresh install of Ubuntu 16.04 (with all updates) I no longer see Nmap listed. However, if I run "snap find nmap" it shows up. Why is Nmap not showing up when I run "snap find" and how many other snaps are not listed or showing this way? I should also add something must have changed with the nmap snap recently as it was searchable by using "snap find" just a few weeks ago.
According to http://www.ubuntu.com/desktop/snappy, if you use
snap find
without specifying a package name, it will only output "public, promoted results". The relevant quote here is: