Perhaps you should try some spelling variations:
communication concepts » communication circuits, communication congresses, communication channels
case dimensions » scale dimensions, based dimensions, class dimensions
concepts case » concepts cases, concepts a, concepts chapter
larger spaces » larger species, large space, larger scale
large surface » free surface
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 concepts case dimensions ((((larger spaces) or (use spaces))) or (large surface))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication concepts case dimensions ((((larger spaces) OR (use spaces))) OR (large surface)).
• Adding a wildcard symbol may retrieve word variants: communication concepts case dimensions ((((larger spaces) or (use spaces))) or (large surface))*.