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

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("del science book ever") OR ("new science vol ever"))) OR ("en science food over"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"del science book ever\") OR (\"new science vol ever\"))) OR (\"en science food over\"))".
• Removing quotes may allow a broader search: (((( del science book ever ) OR ( new science vol ever ))) OR ( en science food over )).
• Adding a wildcard symbol may retrieve word variants: (((("del science book ever") OR ("new science vol ever"))) OR ("en science food over"))*.