Perhaps you should try some spelling variations:
"rober prize in chemistry" » "robert prize in chemistry" (Expand Search), "roder prize in chemistry" (Expand Search), "romer prize in chemistry" (Expand Search)
"robel prize in chemistry" » "mobel prize in chemistry" (Expand Search)
"frobel prize in chemistry" » "fmobel prize in chemistry" (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: (((("rober prize in chemistry") OR ("robel prize in chemistry"))) OR ("frobel prize in chemistry"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"rober prize in chemistry\") OR (\"robel prize in chemistry\"))) OR (\"frobel prize in chemistry\"))".
• Removing quotes may allow a broader search: (((( rober prize in chemistry ) OR ( robel prize in chemistry ))) OR ( frobel prize in chemistry )).
• Adding a wildcard symbol may retrieve word variants: (((("rober prize in chemistry") OR ("robel prize in chemistry"))) OR ("frobel prize in chemistry"))*.