Perhaps you should try some spelling variations:
"wiesel von siemens ring" » "wieder von siemens ring" (Expand Search), "wiesel von siemens ringo" (Expand Search), "wiesel von siemens ringe" (Expand Search)
"weber von siemens ging" » "weiber von siemens ging" (Expand Search), "wieder von siemens ging" (Expand Search), "leben von siemens ging" (Expand Search), "weber von siemens gingo" (Expand Search), "weber von siemens ginge" (Expand Search)
"weber von siemens ing" » "weiber von siemens ing" (Expand Search), "wieder von siemens ing" (Expand Search), "leben von siemens ing" (Expand Search), "weber von siemens ingo" (Expand Search), "weber 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: (("wiesel von siemens ring") OR ((("weber von siemens ging") OR ("weber von siemens ing"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"wiesel von siemens ring\") OR (((\"weber von siemens ging\") OR (\"weber von siemens ing\"))))".
• Removing quotes may allow a broader search: (( wiesel von siemens ring ) OR ((( weber von siemens ging ) OR ( weber von siemens ing )))).
• Adding a wildcard symbol may retrieve word variants: (("wiesel von siemens ring") OR ((("weber von siemens ging") OR ("weber von siemens ing"))))*.