Perhaps you should try some spelling variations:
communication conversion » communication conversation, communications convention, communication cohesion
from repression » from regression, from expression, from oppression
aware based » hardware based, nature based
share based » shape based
aware case » aware cache, care case, rare case

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication conversion from repression ((((aware based) or (aware case))) or (share based))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication conversion from repression ((((aware based) OR (aware case))) OR (share based)).
• Adding a wildcard symbol may retrieve word variants: communication conversion from repression ((((aware based) or (aware case))) or (share based))*.