Perhaps you should try some spelling variations:
level dimensional » level dimensions, five dimensional, lower dimensional
information age » information storage
array imaging » arrays imaging, airway imaging, ray imaging
array string » array strong, arrays strings, array sharing
age level » age levels, page level, wage levels

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

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