Perhaps you should try some spelling variations:
"cornelis gilbert gerrit janse van steenis" » "cornelis gilbert gerrit janse jan steenis" (Expand Search)
"cornelis gilbert gerrit dang van steensel" » "cornelis gilbert gerrit dang fan steensel" (Expand Search), "cornelis gilbert gerrit tang van steensel" (Expand Search), "cornelis gilbert gerrit dang dang steensel" (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: "((\"cornelis gilbert gerrit janse van steenis\") OR (\"cornelis gilbert gerrit dang van steensel\"))~".
• Removing quotes may allow a broader search: (( cornelis gilbert gerrit janse van steenis ) OR ( cornelis gilbert gerrit dang van steensel ))~.
• Adding a wildcard symbol may retrieve word variants: (("cornelis gilbert gerrit janse van steenis") OR ("cornelis gilbert gerrit dang van steensel"))*.