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

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("werner von siemens fingo") OR ("werkes von siemens finge"))) OR ("werner von siemens ging"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"werner von siemens fingo\") OR (\"werkes von siemens finge\"))) OR (\"werner von siemens ging\"))".
• Removing quotes may allow a broader search: (((( werner von siemens fingo ) OR ( werkes von siemens finge ))) OR ( werner von siemens ging )).
• Adding a wildcard symbol may retrieve word variants: (((("werner von siemens fingo") OR ("werkes von siemens finge"))) OR ("werner von siemens ging"))*.