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

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: "((((\"open science book ever\") OR (\"open science food ever\"))) OR (\"les sciences book every\"))~".
• Removing quotes may allow a broader search: (((( open science book ever ) OR ( open science food ever ))) OR ( les sciences book every ))~.
• Adding a wildcard symbol may retrieve word variants: (((("open science book ever") OR ("open science food ever"))) OR ("les sciences book every"))*.