Perhaps you should try some spelling variations:
information getting » information testing, information creating, transformation getting
surface diffusion » state diffusion
getting surface » wetting surface, wetting surfaces, grating surface
array string » arrays strings, array sharing, array forming
array strong » array sharing, norway strong, stay strong

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

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