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