Perhaps you should try some spelling variations:
"gender ethnicity questions." » "gender ethnicity question.", "gender ethical questions.", "gender ethnic question."
"other ethnic relations." » "other economic relations.", "other ethical relations.", "theory ethnic relations.", "inter ethnic relations."
"en public relations." » "un public relations.", "open public relations.", "can public relations."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("gender ethnicity questions.") or ((("other ethnic relations.") or ("en public relations."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("gender ethnicity questions.") OR ((("other ethnic relations.") OR ("en public relations.")))).
• Removing quotes may allow a broader search: (( gender ethnicity questions. ) or ((( other ethnic relations. ) or ( en public relations. )))).
• Adding a wildcard symbol may retrieve word variants: (("gender ethnicity questions.") or ((("other ethnic relations.") or ("en public relations."))))*.