Perhaps you should try some spelling variations:
communication concepts » communication circuits, communication congresses, communication channels
component dimensions » competency dimensions, complex dimensions, content dimensions
concepts component » concepts components, conceptual components, connected component
whose spaces » phase spaces, shape spaces, whose race
tuple spaces » tuple space, triple space
type spaces » state 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 component dimensions ((type spaces) or (((whose spaces) or (tuple spaces))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication concepts component dimensions ((type spaces) OR (((whose spaces) OR (tuple spaces)))).
• Adding a wildcard symbol may retrieve word variants: communication concepts component dimensions ((type spaces) or (((whose spaces) or (tuple spaces))))*.