Perhaps you should try some spelling variations:
information class » information casi, information case, information chaos
high dimensional » three dimensional, two dimensional, one dimensional
array string » array strong, arrays strings, array sharing
array fermi » array forming, array format
array using » arrays using
class high » class higher, class hough, loss high

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 high dimensional ((((array fermi) or (array using))) or (array string))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information class high dimensional ((((array fermi) OR (array using))) OR (array string)).
• Adding a wildcard symbol may retrieve word variants: information class high dimensional ((((array fermi) or (array using))) or (array string))*.