Perhaps you should try some spelling variations:
information propagation » information presentation, information organization
propagation demo » propagation de, propagation des, propagation delay
demo dimensional » zero dimensional, two dimensional, d dimensional
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 demo dimensional ((((array string) or (array format))) or (array using))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information propagation demo dimensional ((((array string) OR (array format))) OR (array using)).
• Adding a wildcard symbol may retrieve word variants: information propagation demo dimensional ((((array string) or (array format))) or (array using))*.