Perhaps you should try some spelling variations:
"en sciences book over" » "en science book over", "en sciences hors over", "_ sciences book over", "en sciences book ver"
"open science food ever" » "del science food ever", "new science food ever", "open science book ever", "open science from ever", "open science mad ever"
"les sciences vol ever" » "life sciences vol ever", "del science vol ever", "_ sciences vol ever", "les science vol ever", "les sciences hors ever", "les sciences _ 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 food ever\") OR (\"les sciences vol ever\"))) OR (\"en sciences book over\"))~".
• Removing quotes may allow a broader search: (((( open science food ever ) OR ( les sciences vol ever ))) OR ( en sciences book over ))~.
• Adding a wildcard symbol may retrieve word variants: (((("open science food ever") OR ("les sciences vol ever"))) OR ("en sciences book over"))*.