Perhaps you should try some spelling variations:
communication format » communication climate, communication fast, communication from
communication first » communications first, communication fast, communication from
diffusion oriented » fusion oriented, diffusion weighted, decision oriented
oriented reading » oriented readings, oriented learning, oriented testing

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 first) OR (communication format)) diffusion oriented reading~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "communication ((communication first) OR (communication format)) diffusion oriented reading".
• Adding a wildcard symbol may retrieve word variants: communication ((communication first) OR (communication format)) diffusion oriented reading*.