Perhaps you should try some spelling variations:
"cornelis gijsbert geest jan van steenis" » "cornelis gijsbert geest jan van steensel" (Expand Search), "cornelis gijsbert geert jan van steenis" (Expand Search), "cornelis gijsbert geest jan jan steenis" (Expand Search), "cornelis gijsbert geest janse van steenis" (Expand Search), "cornelis gijsbert geest dang van steenis" (Expand Search), "cornelis gilbert geest jan van steenis" (Expand Search), "cornelis ginsberg geest jan van steenis" (Expand Search)
"cornelis gijsbert geert kuan jan steenis" » "cornelis gijsbert geert jan jan steenis" (Expand Search), "cornelis gijsbert geert kuan tjian steenis" (Expand Search), "cornelis gijsbert geert kuang joan steenis" (Expand Search), "cornelis gijsbert geert kuan kian steenis" (Expand Search), "cornelis gilbert geert kuan jan steenis" (Expand Search), "cornelis ginsberg geert kuan jan steenis" (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: (("cornelis gijsbert geest jan van steenis") OR ("cornelis gijsbert geert kuan jan steenis"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"cornelis gijsbert geest jan van steenis\") OR (\"cornelis gijsbert geert kuan jan steenis\"))".
• Removing quotes may allow a broader search: (( cornelis gijsbert geest jan van steenis ) OR ( cornelis gijsbert geert kuan jan steenis )).
• Adding a wildcard symbol may retrieve word variants: (("cornelis gijsbert geest jan van steenis") OR ("cornelis gijsbert geert kuan jan steenis"))*.