Perhaps you should try some spelling variations:
containers collection » containing collections, containers section, context collection
frontiers collection » frontiers section, folders collection, reuters collection
containers creation » containers creating, container creating, containers section
frontiers selection » frontiers section, frontier section, frontier electron
holders collective » polymers collective, workers collective, folders collection
models collective » model collective, models convective, modelling collective

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 ((((((((frontiers collection) OR (containers collection))) OR (containers creation))) OR (((holders collective) OR (models collective))))) OR (frontiers selection))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22the ((((((((frontiers collection) or (containers collection))) or (containers creation))) or (((holders collective) OR (models collective))))) or (frontiers selection))%22".
• Adding a wildcard symbol may retrieve word variants: %22the ((((((((frontiers collection) or (containers collection))) or (containers creation))) or (((holders collective) OR (models collective))))) or (frontiers selection))%22*.