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