Perhaps you should try some spelling variations:
learning processes » learning process
array formulas » area formulas, harrop formulas, crazy formulas
2 dimensional » _ dimensional, 3 dimensional, two dimensional
array formats » assay formats, ready formats, array forming
processes 2 » processes _, processes a, processes 3

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

• Performing a fuzzy search may retrieve terms with similar spellings: learning processes 2 dimensional ((((array format) or (array formulas))) or (array formats))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: learning processes 2 dimensional ((((array format) OR (array formulas))) OR (array formats)).
• Adding a wildcard symbol may retrieve word variants: learning processes 2 dimensional ((((array format) or (array formulas))) or (array formats))*.