Perhaps you should try some spelling variations:
service expressive » services expressive, decide expressive, service passive
based service » based services
array imaging » arrays imaging, airway imaging, ray imaging
array forming » array format, array fermi, array formats
array arcing » array probing, 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: information based service expressive ((array imaging) or (((array forming) or (array arcing))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information based service expressive ((array imaging) OR (((array forming) OR (array arcing)))).
• Adding a wildcard symbol may retrieve word variants: information based service expressive ((array imaging) or (((array forming) or (array arcing))))*.