Perhaps you should try some spelling variations:
information instruments » informational instruments, information instrumental, deformation instrument
instruments integral » instruments internal, instruments intra, instruments industrial
integral extensions » central extensions
arrays producing » arrays probing, arrays produced, arrays profiling
array imaging » arrays imaging, airway imaging, ray imaging

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: information instruments integral extensions ((array imaging) or (arrays producing))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information instruments integral extensions ((array imaging) OR (arrays producing)).
• Adding a wildcard symbol may retrieve word variants: information instruments integral extensions ((array imaging) or (arrays producing))*.