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 food ever", "best science from ever", "best science vol ever"
"new science book ever" » "new science food ever", "new science from ever", "new science vol ever", "les sciences book ever", "open science book ever"
"del science book over" » "del science food over", "del science from over", "del science vol over", "del paciente book over", "del science book ver"

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