Perhaps you should try some spelling variations:
"michael warten schwartz" » "michael waren schwartz" (Expand Search), "michael warten schwarz" (Expand Search)
"michael karten schwartz" » "michael karten schwarz" (Expand Search), "michael karpaten schwartz" (Expand Search)
"michael garten schwarzen" » "michael garten schwaben" (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 warten schwartz\") OR (\"michael karten schwartz\"))) OR (\"michael garten schwarzen\"))~".
• Removing quotes may allow a broader search: (((( michael warten schwartz ) OR ( michael karten schwartz ))) OR ( michael garten schwarzen ))~.
• Adding a wildcard symbol may retrieve word variants: (((("michael warten schwartz") OR ("michael karten schwartz"))) OR ("michael garten schwarzen"))*.