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