Perhaps you should try some spelling variations:
information propagation » information presentation, information organization
propagation discrete » population discrete, properties discrete, computation discrete
discrete related » discrete prolate, discrete rate, discrete relations
concepts carmen » concepts care, concepts cases, concepts case
concepts chap » concepts chapter, concepts chris, concepts a

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 discrete related ((concepts chap) or (concepts carmen))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information propagation discrete related ((concepts chap) OR (concepts carmen)).
• Adding a wildcard symbol may retrieve word variants: information propagation discrete related ((concepts chap) or (concepts carmen))*.