Perhaps you should try some spelling variations:
"del paciente book ever" » "del paciente con ever", "del presente book ever", "del ambiente book ever"
"les sciences book over" » "les science food over", "les sciences hors over", "en sciences book over", "life sciences book over", "_ sciences book over", "les sciences book ver"
"del science book over" » "del science food over", "del science from over", "del science vol over", "del science book ver"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("del paciente book ever") OR ((("les sciences book over") OR ("del science book over"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"del paciente book ever\") OR (((\"les sciences book over\") OR (\"del science book over\"))))".
• Removing quotes may allow a broader search: (( del paciente book ever ) OR ((( les sciences book over ) OR ( del science book over )))).
• Adding a wildcard symbol may retrieve word variants: (("del paciente book ever") OR ((("les sciences book over") OR ("del science book over"))))*.