For that matter, why can’t you search for them using the start menu search?
Because they are prohibited from loading in the registry - that’s why.
Look ma, no display parameters!
Make a backup of that key with the export function, and then delete away.
desk.cpl is the Display configs wizard, and ncpa.cpl is the web connection connections folder.
Note that you’re able to also hide control panel items using the same key if you choose.