Perhaps you should try some spelling variations:
"en sciences book ever" » "en science book ever", "en science food ever", "_ sciences book ever", "open science book ever"
"les sciences hors ever" » "life sciences hors ever", "del science hors ever", "_ sciences hors ever", "les sciences horas ever", "les sciences horst ever", "les sciences horse ever"
"les sciences hours ever" » "life sciences hours ever", "del science hours ever", "_ sciences hours ever"

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

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