Perhaps you should try some spelling variations:
"en sciences hours over" » "en sciences hors over", "les sciences hours over", "en pacientes hours over", "open science hours over", "en sciences hours ver"
"best science food ever" » "les sciences food ever", "new science food ever", "best science vol ever", "best science food every", "best science food ver", "best science food even"
"best science mad ever" » "les sciences mad ever", "new science mad ever", "best sciences make ever", "best science mad every", "best science mad ver", "best science mad even"

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