Talvez debería tentar con algunhas variantes ortográficas:
communication connection » communications connections, communication connecting, communication collections
summary dimensioning » smart dimensioning, summary designing, summary defining
connection summary » convection summary, convention summary, correction summary
databases user » databases under, databases using, databases based
database user » database using, database based, database aves

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 summary dimensioning ((database user) or (databases user))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication connection summary dimensioning ((database user) OR (databases user)).
• Adding a wildcard symbol may retrieve word variants: communication connection summary dimensioning ((database user) or (databases user))*.