Perhaps you should try some spelling variations:
"cornea gijsbert gerrit jan van steenis" » "cornea gijsbert gerrit jan van steensel" (Expand Search), "cornea gijsbert geert jan van steenis" (Expand Search), "cornea gijsbert gerrit jan jan steenis" (Expand Search), "cornea gijsbert gerrit janse van steenis" (Expand Search), "cornea gijsbert gerrit dang van steenis" (Expand Search), "corneal gijsbert gerrit jan van steenis" (Expand Search), "cornea ginsberg gerrit jan van steenis" (Expand Search)
"corner gilbert geert jang jae steenis" » "corner gilbert geert jan jae steenis" (Expand Search), "corner gilbert geert jang tae steenis" (Expand Search), "corner gilbert geert jung jae steenis" (Expand Search), "corner gilbert geert joong jae steenis" (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"cornea gijsbert gerrit jan van steenis\") OR (\"corner gilbert geert jang jae steenis\"))~".
• Removing quotes may allow a broader search: (( cornea gijsbert gerrit jan van steenis ) OR ( corner gilbert geert jang jae steenis ))~.
• Adding a wildcard symbol may retrieve word variants: (("cornea gijsbert gerrit jan van steenis") OR ("corner gilbert geert jang jae steenis"))*.