Perhaps you should try some spelling variations:
information gain » information gap, information guide, information gathering
array processing » dairy processing, query processing
state diffusion » surface diffusion
array formats » array format, assay formats, array formulas
array string » array strong, arrays strings, array sharing
gain state » gain stage, pain states, kayin 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 gain state diffusion ((((array string) or (array formats))) or (array processing))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information gain state diffusion ((((array string) OR (array formats))) OR (array processing)).
• Adding a wildcard symbol may retrieve word variants: information gain state diffusion ((((array string) or (array formats))) or (array processing))*.