Perhaps you should try some spelling variations:
communication argumentation » communication documentation, communication presentation, communication instrumentation
argumentation towards » orientation towards, implementation towards, argumentation theory
towards diffusion » forward diffusion, towards vision, towards decision
diseases indexes » disease index, diseases insects, diseases indonesia
diseases index » disease index, diseases india, diseases under

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

• If you are trying to use Boolean operators, they must be ALL CAPS: communication argumentation towards diffusion ((diseases index) OR (diseases indexes))~.
• Adding a wildcard symbol may retrieve word variants: communication argumentation towards diffusion ((diseases index) or (diseases indexes))*.