Perhaps you should try some spelling variations:
information segregation » information aggregation, information depreciation, information regeneration
segregation method » segmentation method, aggregation methods, segmentation methods
decision gate » decision game, decision data, decision based
decision case » decision based, decision game, decision aid

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: information segregation method ((decision gate) OR (decision case)) libre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "information segregation method ((decision gate) OR (decision case)) libre".
• Adding a wildcard symbol may retrieve word variants: information segregation method ((decision gate) OR (decision case)) libre*.