Perhaps you should try some spelling variations:
information propagation » information presentation, information organization
propagation data » propagation damage, propagation delay, propagation a
data dimension » data dimensions, data dimensional, dati dimensioni
array forming » array format, array arcing, array fermi
array string » array strong, arrays strings, array sharing

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 data dimension ((((array forming) or (array string))) or (arrays using))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information propagation data dimension ((((array forming) OR (array string))) OR (arrays using)).
• Adding a wildcard symbol may retrieve word variants: information propagation data dimension ((((array forming) or (array string))) or (arrays using))*.