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