Perhaps you should try some spelling variations:
formulation development » communication development, education development, organization development
a dimensional » _ dimensional, 3 dimensional, 2 dimensional
array imaging » arrays imaging, airway imaging, ray imaging
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: formulation development a dimensional ((((array string) or (array arcing))) or (array imaging))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: formulation development a dimensional ((((array string) OR (array arcing))) OR (array imaging)).
• Adding a wildcard symbol may retrieve word variants: formulation development a dimensional ((((array string) or (array arcing))) or (array imaging))*.