Perhaps you should try some spelling variations:
information grid » information guide, information gain, information gis
state diffusion » surface diffusion
array string » array strong, arrays strings, array sharing
array arcing » array forming, array probing, array sharing
grid state » grids state, grid scale, grid site

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 state diffusion ((array string) OR (((array format) OR (array arcing))))~".
• Adding a wildcard symbol may retrieve word variants: information grid state diffusion ((array string) OR (((array format) OR (array arcing))))*.