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
grid site » grid side, grid state

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

• Performing a fuzzy search may retrieve terms with similar spellings: information grid site diffusion ((array string) or (((array format) or (array arcing))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information grid site diffusion ((array string) OR (((array format) OR (array arcing)))).
• Adding a wildcard symbol may retrieve word variants: information grid site diffusion ((array string) or (((array format) or (array arcing))))*.