Perhaps you should try some spelling variations:
information propagation » information presentation, information organization
diagram relations » islam relations, diagram notation, vietnam relations
diagrams relating » diagrams relative, diagrams operating, diagrams reducing
concepts citrus » concepts chris, concepts cited, concepts critiques

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "information propagation ((diagram relations) OR (diagrams relating)) concepts citrus~".
• Adding a wildcard symbol may retrieve word variants: information propagation ((diagram relations) OR (diagrams relating)) concepts citrus*.