Perhaps you should try some spelling variations:
"del science food ever" » "del science mad ever", "del science vol ever", "del paciente food ever", "del science food every", "del science food over", "del science food even"
"new science from ver" » "new science vol ver", "les sciences from ver", "new science from new"
"open science from ver" » "open science vol ver", "en sciences from ver", "open science from new"

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: "((\"del science food ever\") OR (((\"new science from ver\") OR (\"open science from ver\"))))~".
• Removing quotes may allow a broader search: (( del science food ever ) OR ((( new science from ver ) OR ( open science from ver ))))~.
• Adding a wildcard symbol may retrieve word variants: (("del science food ever") OR ((("new science from ver") OR ("open science from ver"))))*.