Perhaps you should try some spelling variations:
communication controls » communication control, communications control, communication controllers
content dimensions » concept dimensions, constant dimension, current dimensions
controls content » control contents, contents content, controls client
tuple spaces » tuple space, type spaces, triple space
use spaces » phase spaces, gauge spaces, whose 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 controls content dimensions ((tuple spaces) or (use spaces))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication controls content dimensions ((tuple spaces) OR (use spaces)).
• Adding a wildcard symbol may retrieve word variants: communication controls content dimensions ((tuple spaces) or (use spaces))*.