Perhaps you should try some spelling variations:
information group » informatics group, informative group, information grounds
sparse diffusion » state diffusion, pore diffusion, aware diffusion
array profiling » array processing, microarray profiling
array sharing » arrays bearing, array imaging, way sharing
group sparse » group part
array string » array strong, arrays strings, array forming

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

• Performing a fuzzy search may retrieve terms with similar spellings: information group sparse diffusion ((array profiling) OR (((array sharing) OR (array string))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "information group sparse diffusion ((array profiling) OR (((array sharing) OR (array string))))".
• Adding a wildcard symbol may retrieve word variants: information group sparse diffusion ((array profiling) OR (((array sharing) OR (array string))))*.