Perhaps you should try some spelling variations:
"les sciences book evera" » "les science food evera", "en sciences book evera", "life sciences book evera", "del science book evera"
"les sciences hors evera" » "en sciences hors evera", "life sciences hors evera", "del science hors evera", "les sciences horas evera", "les sciences horst evera", "les sciences hours evera"
"open science book ver" » "del science book ver", "en sciences book ver", "new science book ver", "open science food ver", "open science from ver", "open science vol ver", "open science book new"

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