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

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