Perhaps you should try some spelling variations:
communication case » communication channels, communication culture
cognitive design » cognitive decline, cognitive domain, cognitive brain
case cognitive » based cognitive, phase cognitive, rape cognitive
sample spaces » sample space, sample speeches, sample sizes
whose spaces » phase spaces, shape spaces, whose race
use spaces » tuple spaces, phase spaces, gauge spaces

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication case cognitive design ((((use spaces) or (whose spaces))) or (sample spaces))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication case cognitive design ((((use spaces) OR (whose spaces))) OR (sample spaces)).
• Adding a wildcard symbol may retrieve word variants: communication case cognitive design ((((use spaces) or (whose spaces))) or (sample spaces))*.