Perhaps you should try some spelling variations:
epistemologie » epistemologies, epistemology, epistemological
epistemologicals » epistemological, epistemologicas, epistemologically
epistemologisches » epistemologische, epistemologischen, epistemologischer

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: ( epistemologie OR ((epistemologicals OR epistemologisches) OR epidemiology) )*.