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 gerrit jang tae steenis" » "corner gilbert geert jang tae steenis" (Expand Search), "corner gilbert gerrit jiang tao steenis" (Expand Search), "corner gilbert gerrit wang tao steenis" (Expand Search), "corner gilbert gerrit jang kee 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 gerrit jang tae steenis\"))~".
• Removing quotes may allow a broader search: (( cornea gijsbert gerrit jan van steenis ) OR ( corner gilbert gerrit jang tae steenis ))~.
• Adding a wildcard symbol may retrieve word variants: (("cornea gijsbert gerrit jan van steenis") OR ("corner gilbert gerrit jang tae steenis"))*.