Perhaps you should try some spelling variations:
"racial prejudice against africana americans" » "racional prejudice against africana americans" (Expand Search), "racial prejudice against africana americano" (Expand Search)
"racial prejudice against adriana america" » "racional prejudice against adriana america" (Expand Search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"racial prejudice against africana americans\") OR (\"racial prejudice against adriana america\"))~".
• Removing quotes may allow a broader search: (( racial prejudice against africana americans ) OR ( racial prejudice against adriana america ))~.
• Adding a wildcard symbol may retrieve word variants: (("racial prejudice against africana americans") OR ("racial prejudice against adriana america"))*.