Perhaps you should try some spelling variations:
"michael karren schwarz" » "michael karten schwarz" (Expand Search), "michael karren schwarzen" (Expand Search), "michael karren schwarzes" (Expand Search)
"michael warten schwarz" » "michael warten schwarzen" (Expand Search), "michael warten schwarzes" (Expand Search), "michael karten schwarz" (Expand Search), "michael garten schwarz" (Expand Search)
"michael waren schwarz" » "michael waren schwarzen" (Expand Search), "michael waren schwarzes" (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: (("michael karren schwarz") OR ((("michael warten schwarz") OR ("michael waren schwarz"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"michael karren schwarz\") OR (((\"michael warten schwarz\") OR (\"michael waren schwarz\"))))".
• Removing quotes may allow a broader search: (( michael karren schwarz ) OR ((( michael warten schwarz ) OR ( michael waren schwarz )))).
• Adding a wildcard symbol may retrieve word variants: (("michael karren schwarz") OR ((("michael warten schwarz") OR ("michael waren schwarz"))))*.