Perhaps you should try some spelling variations:
information outside » information guide, information online, information office
surface diffusion » state diffusion
outside surface » outside space, inside surface, oxide surface
array formulas » area formulas, harrop formulas, array format
array forming » array format, array arcing, array fermi
array string » array strong, arrays strings, array sharing

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

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