Perhaps you should try some spelling variations:
"en sciences book ever" » "en science book ever", "_ sciences book ever", "open science book ever"
"les sciences hors ever" » "life sciences hors ever", "_ sciences hors ever", "new science hors ever", "les sciences horas ever", "les sciences horst ever", "les sciences hours ever"
"del science food ever" » "del science book ever", "del science from ever", "del science mad ever", "del paciente food 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 ((("en sciences book ever") OR ("del science food ever"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"les sciences hors ever\") OR (((\"en sciences book ever\") OR (\"del science food ever\"))))".
• Removing quotes may allow a broader search: (( les sciences hors ever ) OR ((( en sciences book ever ) OR ( del science food ever )))).
• Adding a wildcard symbol may retrieve word variants: (("les sciences hors ever") OR ((("en sciences book ever") OR ("del science food ever"))))*.