Perhaps you should try some spelling variations:
mexikos » mexiko, lexikons
mexicana » americana
americano » americana, americains, america
americanos » americanas, americainss, americas, americanus, americana
americans » america

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