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