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