Perhaps you should try some spelling variations:
communication conversation » communication information, communication cohesion, communication communication
center dimensions » central dimensions, content dimensions, gender dimension
gender dimensions » gender dimension, gender divisions, higher dimensions
dark inverse » dark universe, data inverse, walk inverse

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: communication conversation ((center dimensions) OR (gender dimensions)) dark inverse~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "communication conversation ((center dimensions) OR (gender dimensions)) dark inverse".
• Adding a wildcard symbol may retrieve word variants: communication conversation ((center dimensions) OR (gender dimensions)) dark inverse*.