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

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