Perhaps you should try some spelling variations:
surface diffusion » state diffusion
information road » information load, information real, information role
array formulas » area formulas, harrop formulas, array format
array sharing » arrays bearing, array imaging, way sharing
road surface » land surface, 3d surface
array string » array strong, arrays strings, array forming

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "information road surface diffusion ((((array sharing) OR (array string))) OR (array formulas))~".
• Adding a wildcard symbol may retrieve word variants: information road surface diffusion ((((array sharing) OR (array string))) OR (array formulas))*.