Perhaps you should try some spelling variations:
information propagation » information presentation, information organization
propagation key » propagation kenya, propagation de, propagation des
key dimensions » new dimensions, _ dimensions, 2 dimensions
arrays arcing » array arcing, arrays searching, arrays swarming
array imaging » arrays imaging, airway imaging, ray imaging
array using » arrays 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 propagation key dimensions ((((arrays arcing) or (array imaging))) or (array using))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information propagation key dimensions ((((arrays arcing) OR (array imaging))) OR (array using)).
• Adding a wildcard symbol may retrieve word variants: information propagation key dimensions ((((arrays arcing) or (array imaging))) or (array using))*.