Perhaps you should try some spelling variations:
surface diffusion » state diffusion
guide surface » oxide surface, outside surface, oxide surfaces
array string » array strong, arrays strings, array sharing
array arcing » array forming, array probing, array sharing
arrays long » arrays ang, arrays load, array along

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

• If you are trying to use Boolean operators, they must be ALL CAPS: information guide surface diffusion ((array string) OR (((array arcing) OR (arrays long))))~.
• Adding a wildcard symbol may retrieve word variants: information guide surface diffusion ((array string) or (((array arcing) or (arrays long))))*.