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