Private items are not included in job matching.
Step 1. Go to your profile
Click the menu icon on the top left of you screen and choose Profile in the main menu.
Step 2. Find the item
Find the item. Items already made private are marked with a lock icon.
Step 3. Make public or private
Click the 3-dot icon and choose Make public or Make private.
You can always switch a public item to private and a private item to public.