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