Perhaps you should try some spelling variations:
"werner von siemens finge" » "weiber von siemens finge" (Expand Search), "werkes von siemens finge" (Expand Search), "werner von siemens inge" (Expand Search), "werner von siemens linge" (Expand Search)
"werner von siemens fing" » "weiber von siemens fing" (Expand Search), "werkes von siemens fing" (Expand Search)
"wirken von siemens ingo" » "werkes von siemens ingo" (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 finge") OR ("werner von siemens fing"))) OR ("wirken von siemens ingo"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"werner von siemens finge\") OR (\"werner von siemens fing\"))) OR (\"wirken von siemens ingo\"))*".
• Removing quotes may allow a broader search: (((( werner von siemens finge ) OR ( werner von siemens fing ))) OR ( wirken von siemens ingo ))*.