Perhaps you should try some spelling variations:
communication conversion » communication conversation, communications convention, communication cohesion
definitions evolving » definitions selecting, definitions using, definitions coaching
recognition evolving » recognition moving, recognition evolvement, recognition employing
conversion based » conversion del, conversion a, converter 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 conversion based ((definitions evolving) OR (recognition evolving)) game~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "communication conversion based ((definitions evolving) OR (recognition evolving)) game".
• Adding a wildcard symbol may retrieve word variants: communication conversion based ((definitions evolving) OR (recognition evolving)) game*.