Perhaps you should try some spelling variations:
"del paciente book over" » "del paciente con over", "del science book over", "del presente book over", "del paciente book ver"
"_ sciences food over" » "_ science food over", "_ science book over", "_ science from over", "les sciences food over", "_ sciences food ver"
"en sciences food over" » "en science food over", "en science book over", "en science from over", "les sciences food over", "open science food over", "en sciences food 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 over") OR ((("_ sciences food over") OR ("en sciences food over"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"del paciente book over\") OR (((\"_ sciences food over\") OR (\"en sciences food over\"))))".
• Removing quotes may allow a broader search: (( del paciente book over ) OR ((( _ sciences food over ) OR ( en sciences food over )))).
• Adding a wildcard symbol may retrieve word variants: (("del paciente book over") OR ((("_ sciences food over") OR ("en sciences food over"))))*.