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

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