Perhaps you should try some spelling variations:
werner von » weiber von (Expand Search), werkes von (Expand Search)
wirken von » werkes von (Expand Search)
rging\\" » rgingo\\" (Expand Search), rgging\\" (Expand Search), rginge\\" (Expand Search)
fing\\" » fingo\\" (Expand Search), fging\\" (Expand Search), finge\\" (Expand Search)
fging\\" » fgingo\\" (Expand Search), fgging\\" (Expand Search), fginge\\" (Expand Search)
ing\\" » ingo\\" (Expand Search), ging\\" (Expand Search), inge\\" (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "\"\\"\\\"((werner von) OR (wirken von)) siemens (rging\\\" OR ((fing\\\" OR fging\\\") OR ing\\\"))\\"\"".
• Removing quotes may allow a broader search: \ ((werner von) OR (wirken von)) siemens (rging\ OR ((fing\ OR fging\ ) OR ing\ )).