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

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 ("asian african politics"))))) OR ("mexican americans politics"))))))~.
• 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 (\"asian african politics\"))))) or (\"mexican americans politics\"))))))~".
• Removing quotes may allow a broader search: (( african american politicians ) or ((( african americans politics ) or ((((( african americansn politics ) or ((( asian americans politics ) OR ( asian african politics ))))) or ( mexican americans politics ))))))~.
• Adding a wildcard symbol may retrieve word variants: (("african american politicians") or ((("african americans politics") or ((((("african americansn politics") or ((("asian americans politics") OR ("asian african politics"))))) or ("mexican americans politics"))))))*.