Perhaps you should try some spelling variations:
communication concepts » communication circuits, communication congresses, communication channels
basic dimensions » based dimension, pacific dimensions, design dimensions
euclidean plane » euclidean spaces
concepts basic » concepts cases, concepts case
space » dspace

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 basic dimensions ((euclidean plane) OR (euclidean space))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "communication concepts basic dimensions ((euclidean plane) OR (euclidean space))".
• Adding a wildcard symbol may retrieve word variants: communication concepts basic dimensions ((euclidean plane) OR (euclidean space))*.