Perhaps you should try some spelling variations:
information diffraction » information extraction, information diffusion, information interaction
diffraction methods » extraction methods
array formulas » area formulas, harrop formulas, array formats
arrays imaging » array imaging, assays imaging, pathways imaging
methods site » method site, methods since, methods soe

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

• Performing a fuzzy search may retrieve terms with similar spellings: information diffraction methods site ((((array formulas) or (array format))) or (arrays imaging))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information diffraction methods site ((((array formulas) OR (array format))) OR (arrays imaging)).
• Adding a wildcard symbol may retrieve word variants: information diffraction methods site ((((array formulas) or (array format))) or (arrays imaging))*.