Perhaps you should try some spelling variations:
"michal schwarz" » "michel schwarz" (Expand Search), "michaela schwarz" (Expand Search), "michaels schwarz" (Expand Search), "michal schwarzes" (Expand Search)
"michal schwaben" » "michel schwaben" (Expand Search), "michaela schwaben" (Expand Search), "michaels schwaben" (Expand Search)
"michael schwarz" » "michael schwarzes" (Expand Search)
"michail schwarzen" » "michail schwarzesen" (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: (((("michal schwarz") OR ("michael schwarz"))) OR ((("michail schwarzen") OR ("michal schwaben"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"michal schwarz\") OR (\"michael schwarz\"))) OR (((\"michail schwarzen\") OR (\"michal schwaben\"))))".
• Removing quotes may allow a broader search: (((( michal schwarz ) OR ( michael schwarz ))) OR ((( michail schwarzen ) OR ( michal schwaben )))).
• Adding a wildcard symbol may retrieve word variants: (((("michal schwarz") OR ("michael schwarz"))) OR ((("michail schwarzen") OR ("michal schwaben"))))*.