Perhaps you should try some spelling variations:
information grid » information guide, information gain, information gis
source diffusion » resource diffusion, surface diffusion, double diffusion
array profiling » array processing, microarray profiling
array formulas » area formulas, harrop formulas, array format
array string » array strong, arrays strings, array sharing
grid source » grid resource, acid source, good source

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

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