Perhaps you should try some spelling variations:
information propagation » information presentation, information organization
propagation two » propagation awp, propagation tools, propagation from
two dimensional » three dimensional
array formulas » area formulas, harrop formulas, array formats
array arcing » array forming, array probing, 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 two dimensional ((((array arcing) or (array formulas))) or (array format))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information propagation two dimensional ((((array arcing) OR (array formulas))) OR (array format)).
• Adding a wildcard symbol may retrieve word variants: information propagation two dimensional ((((array arcing) or (array formulas))) or (array format))*.