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