Perhaps you should try some spelling variations:
information items » information sytems, information its, information ideas
state diffusion » surface diffusion
array profiling » array processing, microarray profiling
array string » array strong, arrays strings, array sharing
items state » mites state, sites state, systems state
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 items state diffusion ((array string) or (((array using) or (array profiling))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information items state diffusion ((array string) OR (((array using) OR (array profiling)))).
• Adding a wildcard symbol may retrieve word variants: information items state diffusion ((array string) or (((array using) or (array profiling))))*.