Perhaps you should try some spelling variations:
communication concepts » communication circuits, communication congresses, communication channels
based dimension » based dispersion, basic dimensions, based extension
concepts based » concept based, concepts cases, concepts case
larger spaces » larger species, large space, larger scale
tuple spaces » tuple space, type spaces, triple space

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 based dimension ((((larger spaces) or (tuple spaces))) or (large scale))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication concepts based dimension ((((larger spaces) OR (tuple spaces))) OR (large scale)).
• Adding a wildcard symbol may retrieve word variants: communication concepts based dimension ((((larger spaces) or (tuple spaces))) or (large scale))*.