Perhaps you should try some spelling variations:
information diffusion » information fusion, information design
diffusion methods » diffusion method, fusion methods, perfusion methods
methods robert » methods robust, methods recent, methods report
array arcing » array forming, array probing, array sharing
array fermi » array forming, array format
array using » arrays using

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: information diffusion methods robert ((((array arcing) OR (array fermi))) OR (array using))~.
• Adding a wildcard symbol may retrieve word variants: information diffusion methods robert ((((array arcing) or (array fermi))) or (array using))*.