Perhaps you should try some spelling variations:
van steenis » van steensel (Expand Search)
gerrit jan » geert jan (Expand Search)
geert jang » geert jan (Expand Search)
jang jae » jang tae (Expand Search), jung jae (Expand Search), joong jae (Expand Search)
jan van » jan jan (Expand Search), janse van (Expand Search), dang van (Expand Search)
cornea » corneal (Expand Search)
gijsbert » ginsberg (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 ))~".
• Adding a wildcard symbol may retrieve word variants: (( cornea gijsbert gerrit jan van steenis ) OR ( corner gilbert geert jang jae steenis ))*.