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
moss visiting » home visiting, bees visiting
powe visiting » home visiting, flower visiting, power limiting

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "communication conversion based dimensions ((moss visiting) OR (powe visiting))~".
• Adding a wildcard symbol may retrieve word variants: communication conversion based dimensions ((moss visiting) OR (powe visiting))*.