Perhaps you should try some spelling variations:
"african american politicians" » "african american politics", "african america politics", "african american policies"
"african americansn politics" » "african american politics", "african america politics", "african african politics", "afro americansn politics"
"african americans politics" » "african american politics", "african america politics", "african african politics", "afro americans politics"
"asian americans politics" » "asian american politics", "asian america politics", "asian african politics"
"mexican americans politics" » "mexican american politics", "mexican america politics", "mexican african politics", "asian americans politics"
"mexican american political" » "mexican american politics", "mexican american policy", "asian american political"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("african american politicians") OR ((("african americans politics") OR ((((("african americansn politics") OR ("asian americans politics"))) OR ((("mexican americans politics") OR ("mexican american political"))))))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"african american politicians\") or (((\"african americans politics\") or (((((\"african americansn politics\") or (\"asian americans politics\"))) or (((\"mexican americans politics\") OR (\"mexican american political\"))))))))~".
• Removing quotes may allow a broader search: (( african american politicians ) or ((( african americans politics ) or ((((( african americansn politics ) or ( asian americans politics ))) or ((( mexican americans politics ) OR ( mexican american political ))))))))~.
• Adding a wildcard symbol may retrieve word variants: (("african american politicians") or ((("african americans politics") or ((((("african americansn politics") or ("asian americans politics"))) or ((("mexican americans politics") OR ("mexican american political"))))))))*.