Perhaps you should try some spelling variations:
"cornea gijsbert gerrit jan van steenis" » "cornea gijsbert gerrit jan van steensel" (Expand Search), "cornea gijsbert geert jan van steenis" (Expand Search), "cornea gijsbert gerrit janse van steenis" (Expand Search), "cornea gijsbert gerrit dang van steenis" (Expand Search), "cornea gijsbert gerrit tang van steenis" (Expand Search), "cornea gilbert gerrit jan van steenis" (Expand Search), "cornea ginsberg gerrit jan van steenis" (Expand Search)
"cornelia gijsbert gerrit jan jan steenis" » "cornelia gijsbert geert jan jan steenis" (Expand Search), "cornelia gijsbert gerrit janse jan steenis" (Expand Search), "cornelia gijsbert gerrit jang jae steenis" (Expand Search), "cornelia gijsbert gerrit kuan jan steenis" (Expand Search), "cornelius gijsbert gerrit jan jan steenis" (Expand Search), "cornell gijsbert gerrit jan jan steenis" (Expand Search), "cornelia gilbert gerrit jan jan steenis" (Expand Search), "cornelia ginsberg gerrit jan jan steenis" (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: "((\"cornelia gijsbert gerrit jan jan steenis\") OR (\"cornea gijsbert gerrit jan van steenis\"))~".
• Removing quotes may allow a broader search: (( cornelia gijsbert gerrit jan jan steenis ) OR ( cornea gijsbert gerrit jan van steenis ))~.
• Adding a wildcard symbol may retrieve word variants: (("cornelia gijsbert gerrit jan jan steenis") OR ("cornea gijsbert gerrit jan van steenis"))*.