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