Perhaps you should try some spelling variations:
ethnicity relations » ethnic relations, ethical relations, ethnicity questions
empirical equations » empirical foundations, empirical simulations, empirical evaluation
empirical relations » empirical relationship, empirical correlations, empirical rotation
given ethnicity » gender ethnicity, accent ethnicity, german ethnicity

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( given ethnicity relations. ) or ( german ((empirical equations) OR (empirical relations)). ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( given ethnicity relations. ) OR ( german ((empirical equations) OR (empirical relations)). ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( given ethnicity relations. ) or ( german ((empirical equations) OR (empirical relations)). ))*".