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 kuan tjian steenis" » "cornelis gijsbert gerrit yuan jian steenis" (Expand Search), "cornelis gijsbert gerrit kuan kian steenis" (Expand Search), "cornelis gijsbert gerrit duan tian steenis" (Expand Search), "cornelis gilbert gerrit kuan tjian steenis" (Expand Search), "cornelis ginsberg gerrit kuan tjian 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 kuan tjian steenis"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"cornelis gijsbert gerrit jan jan steenis\") OR (\"cornelis gijsbert gerrit kuan tjian steenis\"))".
• Removing quotes may allow a broader search: (( cornelis gijsbert gerrit jan jan steenis ) OR ( cornelis gijsbert gerrit kuan tjian steenis )).
• Adding a wildcard symbol may retrieve word variants: (("cornelis gijsbert gerrit jan jan steenis") OR ("cornelis gijsbert gerrit kuan tjian steenis"))*.