Perhaps you should try some spelling variations:
information class » information casi, information case, information chaos
using dimensional » one dimensional, high dimensional, n dimensional
array formulas » area formulas, harrop formulas, array format
array imaging » arrays imaging, airway imaging, ray imaging
array arcing » array forming, array probing, 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 dimensional ((((array arcing) or (array formulas))) or (array imaging))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information class using dimensional ((((array arcing) OR (array formulas))) OR (array imaging)).
• Adding a wildcard symbol may retrieve word variants: information class using dimensional ((((array arcing) or (array formulas))) or (array imaging))*.