Perhaps you should try some spelling variations:
werner von » weiber von (Expand Search), werkes von (Expand Search)
wirken von » werkes von (Expand Search)
fingo\\\" » ingo\\\" (Expand Search), fing\\\" (Expand Search), fingoo\\\" (Expand Search), fgingo\\\" (Expand Search), fingeo\\\" (Expand Search)
rgginge\\\" » rggingoe\\\" (Expand Search), rggginge\\\" (Expand Search), rggingee\\\" (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 (rgginge\\\\" OR (fingo\\\\" OR ing\\\\"))\\\"\\"\"".
• Removing quotes may allow a broader search: \ \\ ((werner von) OR (wirken von)) siemens (rgginge\\ OR (fingo\\ OR ing\\ ))\.