Perhaps you should try some spelling variations:
werner von » weiber von (Expand Search), werkes von (Expand Search)
wirken von » werkes von (Expand Search)
ingoe\\" » ingo\\" (Expand Search), ingooe\\" (Expand Search), gingoe\\" (Expand Search)
rgingoee\\" » rgingoe\\" (Expand Search), rgingooee\\" (Expand Search), rggingoee\\" (Expand Search)
inge\" » ingo\" (Expand Search), ingoe\" (Expand Search), ginge\" (Expand Search)
ing\\" » ingo\\" (Expand Search), ging\\" (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 ((ingoe\\\" OR (rgingoee\\\" OR inge\\")) OR ing\\\")\\"\"".
• Removing quotes may allow a broader search: \ ((werner von) OR (wirken von)) siemens ((ingoe\ OR (rgingoee\ OR inge )) OR ing\ ).