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

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

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