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