Perhaps you should try some spelling variations:
formation process » formation processes, creation process, fermentation process
learning decision » learning design, planning decision, learning designs
process learning » problems learning, process planning, process mining
array arcing » array forming, array probing, array sharing
array using » arrays using

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

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