Talvez debería tentar con algunhas variantes ortográficas:
communication contention » communications convention, communication connection, communication content
contention fast » conventions fast, contention based, contraction fast
david resolving » dates resolving, data resolving, design resolving
fast decision » fat decision, first decision, coast decision

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: communication contention fast decision ((david resolving) OR (data mining))~.
• Adding a wildcard symbol may retrieve word variants: communication contention fast decision ((david resolving) or (data mining))*.