Perhaps you should try some spelling variations:
process modeling » process models
modeling session » modeling decision, models session, model session
forming process » forming processes, drying process, learning process
array formulas » area formulas, harrop formulas, array formats
array string » array strong, arrays strings, array sharing

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

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