Perhaps you should try some spelling variations:
communication collocation » communication collaboration, communication collections, communication cooperation
collocation method » collection methods
method dimension » methods dimension, metric dimension, method extension
whose spaces » phase spaces, shape spaces, whose race
type spaces » state spaces
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 collocation method dimension ((((whose spaces) or (use spaces))) or (type spaces))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication collocation method dimension ((((whose spaces) OR (use spaces))) OR (type spaces)).
• Adding a wildcard symbol may retrieve word variants: communication collocation method dimension ((((whose spaces) or (use spaces))) or (type spaces))*.