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"
"new science book ver" » "new science from ver", "new science vol ver", "les sciences book ver", "open science book ver", "new science book new"
"del science food over" » "del science from over", "del science mad over", "del science mind over", "del paciente food over"

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 ver") 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 ver\") OR (\"en sciences book over\"))) OR (\"del science food over\"))*".
• Removing quotes may allow a broader search: (((( new science book ver ) OR ( en sciences book over ))) OR ( del science food over ))*.