Perhaps you should try some spelling variations:
information gaps » information gap, information games, information gain
state diffusion » surface diffusion
array sharing » array string, arrays bearing, array imaging
array probing » arrays probing, assay probing, array profiling
array along » arrays long, array arcing, array paving
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 along) or (((array sharing) or (array probing))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information gaps state diffusion ((array along) OR (((array sharing) OR (array probing)))).
• Adding a wildcard symbol may retrieve word variants: information gaps state diffusion ((array along) or (((array sharing) or (array probing))))*.