Perhaps you should try some spelling variations:
information presentation » information representation, information propagation, information dissemination
presentation problems » presentations problems, preservation problems, representations problems
diffraction d » diffraction _, diffraction a, diffraction f
diffraction 3 » diffraction _, diffraction 13c, diffraction m.m

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

• Performing a fuzzy search may retrieve terms with similar spellings: information presentation problems ((diffraction d) OR (diffraction 3)) lilley~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "information presentation problems ((diffraction d) OR (diffraction 3)) lilley".
• Adding a wildcard symbol may retrieve word variants: information presentation problems ((diffraction d) OR (diffraction 3)) lilley*.