Perhaps you should try some spelling variations:
communication concepts » communication circuits, communication congresses, communication channels
sore dimensions » core dimensions, more dimensions, some dimensions
concepts sore » concepts some, concepts sources, concepts series
shared spaces » shared space, shared stocks
scale spaces » scale space, sample spaces, tuple spaces
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 sore dimensions ((shared spaces) or (((scale spaces) or (type spaces))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication concepts sore dimensions ((shared spaces) OR (((scale spaces) OR (type spaces)))).
• Adding a wildcard symbol may retrieve word variants: communication concepts sore dimensions ((shared spaces) or (((scale spaces) or (type spaces))))*.