Perhaps you should try some spelling variations:
information grid » information guide, information gain, information gis
site diffusion » sige diffusion, size diffusion, state diffusion
array string » array strong, arrays strings, array sharing
array arcing » array forming, array probing, array sharing
array fermi » array forming, array format
grid site » grid side, grid state

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "information grid site diffusion ((array string) OR (((array fermi) OR (array arcing))))~".
• Adding a wildcard symbol may retrieve word variants: information grid site diffusion ((array string) OR (((array fermi) OR (array arcing))))*.