Perhaps you should try some spelling variations:
"hans woehler" » "hands woehler" (Expand Search), "has woehler" (Expand Search), "hand woehler" (Expand Search), "hans rkoehler" (Expand Search)
"hans jkoehler" » "hands jkoehler" (Expand Search), "has jkoehler" (Expand Search), "hand jkoehler" (Expand Search), "hans rkoehler" (Expand Search), "hans mkohler" (Expand Search), "hans jkoehly" (Expand Search)
"hans koehler" » "hands koehler" (Expand Search), "has koehler" (Expand Search), "hand koehler" (Expand Search)
"hans kohler" » "hands kohler" (Expand Search), "has kohler" (Expand Search), "hand kohler" (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: "((((\"hans woehler\") OR (\"hans jkoehler\"))) OR (((\"hans koehler\") OR (\"hans kohler\"))))~".
• Removing quotes may allow a broader search: (((( hans woehler ) OR ( hans jkoehler ))) OR ((( hans koehler ) OR ( hans kohler ))))~.
• Adding a wildcard symbol may retrieve word variants: (((("hans woehler") OR ("hans jkoehler"))) OR ((("hans koehler") OR ("hans kohler"))))*.