Perhaps you should try some spelling variations:
"opopen science book every" » "open science book every", "opopen science food every", "opopen science from every", "opopen science vol every"
"en sciences book every" » "en science food every", "en sciences hors every", "_ sciences book every", "open science book every"
"les sciences vol ver" » "life sciences vol ver", "del science vol ver", "_ sciences vol ver", "les science vol ver", "les sciences hors ver", "les sciences _ ver"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("opopen science book every") OR ("en sciences book every"))) OR ("les sciences vol ver"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"opopen science book every\") OR (\"en sciences book every\"))) OR (\"les sciences vol ver\"))".
• Removing quotes may allow a broader search: (((( opopen science book every ) OR ( en sciences book every ))) OR ( les sciences vol ver )).
• Adding a wildcard symbol may retrieve word variants: (((("opopen science book every") OR ("en sciences book every"))) OR ("les sciences vol ver"))*.