Perhaps you should try some spelling variations:
historiador » historiadores
historicorum » historiarum, historicos, historicism, historicrum, historierum
historico » historic, historia, historie
historial » historia, historiae, historias
historians » historias, historics
historian » historia, historic

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: (((( historiador OR historicorum ) OR historico ) OR (( historians OR histories ) OR ( historically OR historicity ))) OR ( historical OR (historial OR historian) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( historiador or historicorum ) or historico ) or (( historians or histories ) or ( historically or historicity ))) or ( historical or (historial OR historian) ))".
• Adding a wildcard symbol may retrieve word variants: (((( historiador or historicorum ) or historico ) or (( historians or histories ) or ( historically or historicity ))) or ( historical or (historial OR historian) ))*.