Perhaps you should try some spelling variations:
archivo historico » archivio storico, archive history, archivs history
archival history » archives history, parochial history, archiving history
defense nacional » defensa nacional, defense national, defecto nacional
a defense » a defence, _ defense
de a » de la, der a, des a

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 (archival history)) de a defense nacional (mexico).
• Adding a wildcard symbol may retrieve word variants: ((archivo historico) or (archival history)) de a defense nacional (mexico)*.