Perhaps you should try some spelling variations:
information games » information gap, information gain, information granules
surface diffusion » state diffusion
games surface » gas surface, waves surface, cameras surface
array probing » arrays probing, assay probing, array profiling
array string » array strong, arrays strings, array sharing
array using » arrays using

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

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