Perhaps you should try some spelling variations:
mexicana » americana
mexicanas » americanas
mexicanos » mexicos, americanos
mexicano » mexico, americano
americanos » americans, americano, americanus
mexican » american

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: (((((mexicanos OR mexicana) OR mexicanas) OR mexicano) OR americanos) OR mexican) / united states.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((mexicanos OR mexicana) or mexicanas) or mexicano) or americanos) or mexican) / united states".
• Adding a wildcard symbol may retrieve word variants: (((((mexicanos OR mexicana) or mexicanas) or mexicano) or americanos) or mexican) / united states*.