Perhaps you should try some spelling variations:
"werner von siemens fing" » "weiber von siemens fing" (Expand Search), "werkes von siemens fing" (Expand Search)
"werner von siemens ginge" » "weiber von siemens ginge" (Expand Search), "werkes von siemens ginge" (Expand Search), "werner von siemens inge" (Expand Search)
"werner von siemens ging" » "weiber von siemens ging" (Expand Search), "werkes von siemens ging" (Expand Search), "werner von siemens ing" (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"werner von siemens fing\") OR (((\"werner von siemens ginge\") OR (\"werner von siemens ging\"))))~".
• Removing quotes may allow a broader search: (( werner von siemens fing ) OR ((( werner von siemens ginge ) OR ( werner von siemens ging ))))~.
• Adding a wildcard symbol may retrieve word variants: (("werner von siemens fing") OR ((("werner von siemens ginge") OR ("werner von siemens ging"))))*.