You need to change the permissions on the search. More than likely it's set to 'Private'. As Admin's your other users will be able to see the search via the manager, but in the search or app UI the search will not show up for them. You need to set the permissions for the search for the app you are in or share it globally. Manager --> Searches and Reports --> Permissions
Same goes for field extractions, eventtypes, etc. that you build via the UI.
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