Perhaps you should try some spelling variations:
"les sciences vol ever" » "en sciences vol ever", "life sciences vol ever", "_ sciences vol ever", "les sciences hors ever", "les sciences _ ever", "les sciences au ever"
"new science food ever" » "new science book ever", "new science from ever", "new science mad ever", "open science food ever"
"del science vol ever" » "del paciente vol ever", "del science book ever", "del science from 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: "((\"les sciences vol ever\") OR (((\"del science vol ever\") OR (\"new science food ever\"))))~".
• Removing quotes may allow a broader search: (( les sciences vol ever ) OR ((( del science vol ever ) OR ( new science food ever ))))~.
• Adding a wildcard symbol may retrieve word variants: (("les sciences vol ever") OR ((("del science vol ever") OR ("new science food ever"))))*.