Perhaps you should try some spelling variations:
"carl hermann pethe" » "care hermann pethe" (Expand Search), "call hermann pethe" (Expand Search), "car hermann pethe" (Expand Search), "carl germann pethe" (Expand Search)
"carlo hermawan pethe" » "careo hermawan pethe" (Expand Search), "callo hermawan pethe" (Expand Search), "caro hermawan pethe" (Expand Search), "carlo darmawan pethe" (Expand Search), "carlo herwan pethe" (Expand Search)
"carlo herman pethe" » "careo herman pethe" (Expand Search), "callo herman pethe" (Expand Search), "caro herman pethe" (Expand Search), "carlo german 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 hermann pethe") OR ((("carlo hermawan pethe") OR ("carlo herman pethe"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"carl hermann pethe\") OR (((\"carlo hermawan pethe\") OR (\"carlo herman pethe\"))))".
• Removing quotes may allow a broader search: (( carl hermann pethe ) OR ((( carlo hermawan pethe ) OR ( carlo herman pethe )))).
• Adding a wildcard symbol may retrieve word variants: (("carl hermann pethe") OR ((("carlo hermawan pethe") OR ("carlo herman pethe"))))*.