Perhaps you should try some spelling variations:
communication conversation » communication information, communication cohesion, communication communication
based dispersion » wave dispersion, gas dispersion, based discussion
based dimension » basic dimensions, based extension, based diffusion
book ware » book art
book case » book based

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 ((based dimension) OR (based dispersion)) ((book ware) or (book case))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication conversation ((based dimension) OR (based dispersion)) ((book ware) OR (book case)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "communication conversation ((based dimension) OR (based dispersion)) ((book ware) or (book case))".
• Adding a wildcard symbol may retrieve word variants: communication conversation ((based dimension) OR (based dispersion)) ((book ware) or (book case))*.