Perhaps you should try some spelling variations:
"world science vol ever" » "world since vol ever", "food science vol ever", "wars science vol ever", "world science food ever", "world science from ever"
"del paciente food over" » "del paciente con over", "del science food over", "del presente food over", "del ambiente food over", "del paciente food ver"
"del science book new" » "del science food new", "del science from new", "del science look now"

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

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