Perhaps you should try some spelling variations:
communication conversion » communication conversation, communications convention, communication cohesion
conversion based » conversion del, conversion a, converter based
based dimensions » based dimension, basic dimensions, based dimensioning
power limiting » power lighting, power timing, water limiting
moss visiting » home visiting, bees visiting, powe visiting

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication conversion based dimensions ((moss visiting) or (power limiting))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication conversion based dimensions ((moss visiting) OR (power limiting)).
• Adding a wildcard symbol may retrieve word variants: communication conversion based dimensions ((moss visiting) or (power limiting))*.