Perhaps you should try some spelling variations:
"del paciente book new" » "del paciente con new", "del presente book new", "del ambiente book new", "del paciente look now"
"del science mind ver" » "del science mad ver", "del science food ver", "del science its ver"
"new science book over" » "new science food over", "new science from over", "new science vol over", "les sciences book over", "open science book over"

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

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