Perhaps you should try some spelling variations:
information gaps » information gap, information games, information gain
state diffusion » surface diffusion
arrays probing » array probing, rays probing, arrays producing
array forming » array format, array arcing, array fermi
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 forming) or (arrays probing))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information gaps state diffusion ((array along) OR (((array forming) OR (arrays probing)))).
• Adding a wildcard symbol may retrieve word variants: information gaps state diffusion ((array along) or (((array forming) or (arrays probing))))*.