Perhaps you should try some spelling variations:
communication methods » communication methodology, communication media, communication models
methods decision » methods design, ethics decision, methods session
david davis » david davies, david david, david favis
davis david » davies david, davidson david, harris david
david levis » david levi, david levine, david louis

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication communication methods decision ((david davis) or (((davis david) or (david levis))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication communication methods decision ((david davis) OR (((davis david) OR (david levis)))).
• Adding a wildcard symbol may retrieve word variants: communication communication methods decision ((david davis) or (((davis david) or (david levis))))*.