Perhaps you should try some spelling variations:
"german ethnicity questions." » "german ethnicity question.", "german ethical questions.", "german ethnic question.", "german authenticity questions.", "gender ethnicity questions.", "given ethnicity questions."
"given ethnic relations." » "given economic relations.", "given ethnicity relations.", "level ethnic relations.", "cohen ethnic relations."
"given public relations." » "green public relations.", "von public relations.", "en public relations."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("given ethnic relations.") OR ("given public relations."))) OR ("german ethnicity questions."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"given ethnic relations.\") OR (\"given public relations.\"))) OR (\"german ethnicity questions.\"))".
• Removing quotes may allow a broader search: (((( given ethnic relations. ) OR ( given public relations. ))) OR ( german ethnicity questions. )).
• Adding a wildcard symbol may retrieve word variants: (((("given ethnic relations.") OR ("given public relations."))) OR ("german ethnicity questions."))*.