Perhaps you should try some spelling variations:
formation process » formation processes, creation process, fermentation process
process teaching » processes teaching, process tracing, process testing
teaching design » teaching foreign
array formats » array format, assay formats, array formulas
array sharing » array string, arrays bearing, array imaging
array arcing » array forming, array probing, array using

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: formation process teaching design ((array formats) OR (((array arcing) OR (array sharing))))~.
• Adding a wildcard symbol may retrieve word variants: formation process teaching design ((array formats) or (((array arcing) or (array sharing))))*.