Perhaps you should try some spelling variations:
information propagation » information presentation, information organization
propagation early » propagation a, propagation case, propagation based
exclusion method » extrusion method, inclusion method, occlusion method
early exclusion » early exhaustion, early evolution, pauli exclusion
method line » methods line, method life, method linear

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• Performing a fuzzy search may retrieve terms with similar spellings: information propagation early exclusion method line~.
• Adding a wildcard symbol may retrieve word variants: information propagation early exclusion method line*.