Perhaps you should try some spelling variations:
archivo historico » archivio storico, archive history, archiving historical
archivs history » archives history, archive history, archival history
la defensa » la defense, la depense
a defense » _ defense
a defence » _ defence

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: ((archivo historico) OR (archivs history)) de ((la defensa) OR (((a defense) OR (a defence)))) nacional (mexico).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((archivo historico) or (archivs history)) de ((la defensa) or (((a defense) OR (a defence)))) nacional (mexico)".
• Adding a wildcard symbol may retrieve word variants: ((archivo historico) or (archivs history)) de ((la defensa) or (((a defense) OR (a defence)))) nacional (mexico)*.