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 probing » arrays probing, assay probing, array profiling
array arcing » array forming, array sharing, array 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 teaching design ((((array arcing) or (array probing))) or (array format))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: formation process teaching design ((((array arcing) OR (array probing))) OR (array format)).
• Adding a wildcard symbol may retrieve word variants: formation process teaching design ((((array arcing) or (array probing))) or (array format))*.