Perhaps you should try some spelling variations:
information propagation » information presentation, information organization
propagation assays » propagation asia, propagation asset, propagation delay
assays detection » assay detection, class detection
array imaging » arrays imaging, airway imaging, ray imaging
array string » array strong, arrays strings, array sharing
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 assays detection ((((array string) or (array using))) or (array imaging))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information propagation assays detection ((((array string) OR (array using))) OR (array imaging)).
• Adding a wildcard symbol may retrieve word variants: information propagation assays detection ((((array string) or (array using))) or (array imaging))*.