Perhaps you should try some spelling variations:
authenticity relation » authenticity protection, authentic interpretation, authenticity aspirations
empirical questions » empirical question, empirical equations, empirical sections
given authenticity » over authenticity, german authenticity, travel authenticity
german empirical » pressman empirical, german political, semi empirical

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( german empirical questions. ) or ( given authenticity relation. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( german empirical questions. ) OR ( given authenticity relation. )).
• Adding a wildcard symbol may retrieve word variants: (( german empirical questions. ) or ( given authenticity relation. ))*.