Perhaps you should try some spelling variations:
communication collections » communication applications, communication foundations, communication concepts
communication cohesion » communication control, communication cost, communication apprehension
based discussion » brief discussion
discussion usage » discussion usable, discussion using, discussion case
usage pattern » usage patterns, use pattern

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((communication cohesion) or (communication collections)) based discussion usage pattern~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((communication cohesion) OR (communication collections)) based discussion usage pattern.
• Adding a wildcard symbol may retrieve word variants: ((communication cohesion) or (communication collections)) based discussion usage pattern*.