Perhaps you should try some spelling variations:
using multidimensional » _ multidimensional, a multidimensional
information class » information casi, information case, information chaos
array imaging » arrays imaging, airway imaging, ray imaging
array arcing » array forming, array probing, array sharing
array string » array strong, arrays strings, array sharing
class using » glass using, classes using, clauses 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 class using multidimensional ((((array arcing) or (array imaging))) or (array string))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information class using multidimensional ((((array arcing) OR (array imaging))) OR (array string)).
• Adding a wildcard symbol may retrieve word variants: information class using multidimensional ((((array arcing) or (array imaging))) or (array string))*.