Perhaps you should try some spelling variations:
"carl herman pethe" » "call herman pethe" (Expand Search), "car herman pethe" (Expand Search), "cars herman pethe" (Expand Search), "carl german pethe" (Expand Search)
"carlo germann pethe" » "callo germann pethe" (Expand Search), "caro germann pethe" (Expand Search), "carso germann pethe" (Expand Search), "carlo germany pethe" (Expand Search), "carlo german pethe" (Expand Search), "carlo hermann pethe" (Expand Search)
"care herman pethe" » "care german pethe" (Expand Search), "case herman pethe" (Expand Search), "core herman pethe" (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: (((("carl herman pethe") OR ("care herman pethe"))) OR ("carlo germann pethe"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"carl herman pethe\") OR (\"care herman pethe\"))) OR (\"carlo germann pethe\"))*".
• Removing quotes may allow a broader search: (((( carl herman pethe ) OR ( care herman pethe ))) OR ( carlo germann pethe ))*.