Perhaps you should try some spelling variations:
"les sciences book over" » "les sciences hors over", "en sciences book over", "life sciences book over", "del science book over"
"best science book over" » "del science book over", "new science book over", "art science book over", "best science from over", "best science vol over"
"open science food ver" » "del science food ver", "en sciences food ver", "new science food ver", "open science from ver", "open science mad ver", "open science mind ver"

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