Perhaps you should try some spelling variations:
"best science book ever" » "les sciences book ever", "art science book ever", "et sciences book ever", "best science from ever", "best science vol ever"
"del science book ever" » "del science from ever", "del science vol ever", "del paciente book ever"
"new science food ever" » "new science from ever", "new science mad ever", "new science mind ever", "les sciences food ever", "open science food ever"

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

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