Perhaps you should try some spelling variations:
science theories » science theory, science three
science stories » science studies
science series » science services, sciences serious, science studies
di science » i science, ii science, di scienze
de moraes » de morbis, de morale
e morali » e moral, e morais
e morale » de morale, et morale, _ morale

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( biblioteca di ((science series) OR (science stories)) de moraes ) OR ( biblioteca di science theories ((e morali) OR (e morale)) ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( biblioteca di ((science series) OR (science stories)) de moraes ) or ( biblioteca di science theories ((e morali) or (e morale)) ))*".