Perhaps you should try some spelling variations:
"en sciences book ever" » "en science book ever", "en science food ever", "les sciences book ever", "_ sciences book ever", "open science book ever"
"del sciences hors ever" » "les sciences hors ever", "et sciences hors ever", "_ sciences hors ever", "del pacientes hors ever", "del sciences horas ever", "del sciences horst ever", "del sciences hours ever"
"del science from ever" » "del science food ever", "del science book ever", "del science vol ever", "del paciente from ever", "del science from her"

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: "((\"en sciences book ever\") OR (((\"del sciences hors ever\") OR (\"del science from ever\"))))~".
• Removing quotes may allow a broader search: (( en sciences book ever ) OR ((( del sciences hors ever ) OR ( del science from ever ))))~.
• Adding a wildcard symbol may retrieve word variants: (("en sciences book ever") OR ((("del sciences hors ever") OR ("del science from ever"))))*.