Perhaps you should try some spelling variations:
formation process » formation processes, creation process, fermentation process
testing dimension » teaching dimension, seating dimensions, missing dimension
process testing » process costing, process getting, process creating
array string » array strong, arrays strings, array sharing
array arcing » array forming, array probing, 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: formation process testing dimension ((((array string) or (array arcing))) or (array format))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: formation process testing dimension ((((array string) OR (array arcing))) OR (array format)).
• Adding a wildcard symbol may retrieve word variants: formation process testing dimension ((((array string) or (array arcing))) or (array format))*.