Perhaps you should try some spelling variations:
"del sciences hours ever" » "del sciences hors ever", "en sciences hours ever", "les sciences hours ever", "et sciences hours ever", "del pacientes hours ever"
"en science food ever" » "en science from ever", "en science mad ever", "en science mind ever", "en sciences food ever", "open science food ever", "new science food ever"
"del science book ever" » "del science from ever", "del science vol ever", "del paciente book ever"

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

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