Perhaps you should try some spelling variations:
information propagation » information presentation, information organization
propagation modeling » propagation model, propagation models, propagation using
modeling directional » coding directional, modeling dimensional, modeling omnidirectional
array fermi » array forming

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 modeling directional ((array format) or (array fermi))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information propagation modeling directional ((array format) OR (array fermi)).
• Adding a wildcard symbol may retrieve word variants: information propagation modeling directional ((array format) or (array fermi))*.