Perhaps you should try some spelling variations:
communication education » community education, communication communication, communication information
identity dimensions » equity dimensions, fertility dimensions, parenting dimensions
education identity » education identifying, education dental, education inequality
databases invited » databases united, databases induced, datasets invited
database invited » databases united, database limited, database assisted

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication education identity dimensions ((database invited) or (databases invited))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication education identity dimensions ((database invited) OR (databases invited)).
• Adding a wildcard symbol may retrieve word variants: communication education identity dimensions ((database invited) or (databases invited))*.