Perhaps you should try some spelling variations:
"en sciences book over" » "en science book over", "en sciences hors over", "les sciences book over", "_ sciences book over", "en sciences book ver"
"del paciente book ever" » "del paciente con ever", "del science book ever", "del presente book ever"
"open science food ever" » "del science food ever", "new science food ever", "open science book ever", "open science from ever", "open science mad ever"

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