Perhaps you should try some spelling variations:
information trend » information trends, information trans, informatics trends
surface diffusion » state diffusion
trend surface » ground surface, land surface, road surface
array formats » array format, assay formats, array formulas
array arcing » array forming, array probing, array sharing
array string » array strong, arrays strings, array sharing

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 trend surface diffusion ((((array arcing) OR (array string))) OR (array formats))~.
• Adding a wildcard symbol may retrieve word variants: information trend surface diffusion ((((array arcing) or (array string))) or (array formats))*.