Perhaps you should try some spelling variations:
"best science book ever" » "del science book ever", "les sciences book ever", "new science book ever", "best science from ever", "best science vol ever"
"best science food ever" » "del science food ever", "les sciences food ever", "new science food ever", "best science from ever", "best science mad ever", "best science mind ever"
"best science book over" » "del science book over", "les sciences book over", "new science book over", "best science from over", "best science vol over", "best 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 ("best science food ever"))) OR ("best science book over"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"best science book ever\") OR (\"best science food ever\"))) OR (\"best science book over\"))".
• Removing quotes may allow a broader search: (((( best science book ever ) OR ( best science food ever ))) OR ( best science book over )).
• Adding a wildcard symbol may retrieve word variants: (((("best science book ever") OR ("best science food ever"))) OR ("best science book over"))*.