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