Perhaps you should try some spelling variations:
information office » information officer, information officers, information online
space diffusion » state diffusion, slice diffusion, surface diffusion
array profiling » array processing, microarray profiling
array sharing » array string, arrays bearing, array imaging
array arcing » array forming, array probing, array 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 office space diffusion ((((array profiling) or (array sharing))) or (array arcing))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information office space diffusion ((((array profiling) OR (array sharing))) OR (array arcing)).
• Adding a wildcard symbol may retrieve word variants: information office space diffusion ((((array profiling) or (array sharing))) or (array arcing))*.