Perhaps you should try some spelling variations:
"del science book ver" » "del science from ver", "del science vol ver", "del paciente book ver", "del science book new"
"new science food over" » "new science from over", "new science mad over", "new science mind over", "open science food over"
"les sciences hors over" » "en sciences hors over", "life sciences hors over", "_ sciences hors over", "les sciences horas over", "les sciences horst over", "les sciences hours over"

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

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