Perhaps you should try some spelling variations:
"michael schwarz" » "michael schwarzen" (Expand Search), "michael schwarzes" (Expand Search)
"michal schwarzesen" » "michal schwarzenesen" (Expand Search), "michal schwarzesesen" (Expand Search), "michail schwarzesen" (Expand Search), "michaela schwarzesen" (Expand Search), "michaels schwarzesen" (Expand Search), "michal schwarzen" (Expand Search), "michal schwarzes" (Expand Search)
"michel schwarzesen" » "michel schwarzenesen" (Expand Search), "michel schwarzesesen" (Expand Search), "michel schwarzen" (Expand Search), "michel schwarzes" (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: "((\"michael schwarz\") OR (((\"michal schwarzesen\") OR (\"michel schwarzesen\"))))~".
• Removing quotes may allow a broader search: (( michael schwarz ) OR ((( michal schwarzesen ) OR ( michel schwarzesen ))))~.
• Adding a wildcard symbol may retrieve word variants: (("michael schwarz") OR ((("michal schwarzesen") OR ("michel schwarzesen"))))*.