Perhaps you should try some spelling variations:
"epistemologist" » "epistemologists", "epistemologie", "epistemologia"
"epistemologies" » "epistemological", "epistemology"
"epidemiologists" » "epidemiological", "epidemiologie", "epidemiologic"

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: (("epistemologist" OR "epistemologies") OR "epidemiologists").
• Removing quotes may allow a broader search: (( epistemologist or epistemologies ) or epidemiologists ).
• Adding a wildcard symbol may retrieve word variants: (("epistemologist" or "epistemologies") or "epidemiologists")*.