Perhaps you should try some spelling variations:
containers creating » contents creating
frontiers selection » frontiers section, frontier section, frontier electron
folders collection » folders connections, holders collective, leaders collection
users collection » museums collection, useful collection, users collect

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: %22the ((((((users collection) OR (containers creating))) OR (folders collection))) OR (frontiers selection))%22.
• Adding a wildcard symbol may retrieve word variants: %22the ((((((users collection) or (containers creating))) or (folders collection))) or (frontiers selection))%22*.