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