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

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: "((\"del paciente food ver\") OR (((\"new science vol over\") OR (\"new science book over\"))))~".
• Removing quotes may allow a broader search: (( del paciente food ver ) OR ((( new science vol over ) OR ( new science book over ))))~.
• Adding a wildcard symbol may retrieve word variants: (("del paciente food ver") OR ((("new science vol over") OR ("new science book over"))))*.