Perhaps you should try some spelling variations:
information gaps » information gap, information games, information gain
state diffusion » surface diffusion
array sharing » arrays bearing, array imaging, way sharing
array probing » arrays probing, assay probing, array profiling
array string » array strong, arrays strings, array forming
gaps state » gap state, graphs state, gap states

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

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