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

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