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