Perhaps you should try some spelling variations:
"historian" » "historians", "historia", "histories"
"historics" » "histories", "historic", "historico"
"historicis" » "historicism", "historicist", "historici"
"historicos" » "historico", "histories", "historians"
"historicas" » "historica", "historias", "histories"

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: ("historian" OR ("historical" OR (("historics" OR ("historicis" OR "historicos")) OR "historicas"))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(\"historian\" or (\"historical\" or ((\"historics\" or (\"historicis\" OR \"historicos\")) or \"historicas\")))".
• Removing quotes may allow a broader search: ( historian or ( historical or (( historics or ( historicis OR historicos )) or historicas ))).
• Adding a wildcard symbol may retrieve word variants: ("historian" or ("historical" or (("historics" or ("historicis" OR "historicos")) or "historicas")))*.