Perhaps you should try some spelling variations:
"les sciences book very" » "les sciences hors very", "en sciences book very", "life sciences book very", "del science book very", "les sciences book ver", "les sciences book vera"
"best science book ever" » "del science book ever", "new science book ever", "art science book ever", "best science from ever", "best science vol ever"
"best science food very" » "del science food very", "new science food very", "art science food very", "best science from very", "best science mad very", "best science mind very", "best science food ver", "best science food vera"

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

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