Perhaps you should try some spelling variations:
communication relation » communication relations, communication relational, communication relating
methods discourse » methods course, methods disease, methods discrete
relation methods » relaxation methods, regulation methods, relational methods
whose spaces » phase spaces, whose race, loose space
shape spaces » shape space, shared spaces, state 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 relation methods discourse ((((whose spaces) or (shape spaces))) or (type spaces))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication relation methods discourse ((((whose spaces) OR (shape spaces))) OR (type spaces)).
• Adding a wildcard symbol may retrieve word variants: communication relation methods discourse ((((whose spaces) or (shape spaces))) or (type spaces))*.