Perhaps you should try some spelling variations:
information propagation » information presentation, information organization
propagation 30 » propagation _, propagation a, propagation ch
30 dimensional » 3 dimensional, 10 dimensional, 80 dimensional
array formats » array format, assay formats, array formulas
array sharing » array string, arrays bearing, array imaging
array fermi » array forming, array format

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 30 dimensional ((((array formats) or (array fermi))) or (array sharing))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information propagation 30 dimensional ((((array formats) OR (array fermi))) OR (array sharing)).
• Adding a wildcard symbol may retrieve word variants: information propagation 30 dimensional ((((array formats) or (array fermi))) or (array sharing))*.