Perhaps you should try some spelling variations:
communication connection » communications connections, communication connecting, communication collections
connection from » connections from, connecting from, connection drops
from regression » cox regression, from expression, random regression
aware basic » care basic, aware music, away basic
aware based » share based, hardware based, nature based

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

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