Perhaps you should try some spelling variations:
"_ baum, regine la scienza" » "_ baum, regine la science", "_ baum, regine le scienza", "_ baum, regina a scienza", "_ baum, regina l scienza", "_ kaum, regine la scienza", "_ bau, regine la scienza"
"_ raum, paging i sciences" » "_ raum, paging _ sciences", "_ raum, paging i science", "_ raum, paging 2 sciences", "_ raum, aging i sciences", "_ raum, paging 5 sciences"

Try widening your search to All Fields.

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: (("_ baum, regine la scienza") OR ("_ raum, paging i sciences")).
• Removing quotes may allow a broader search: (( _ baum, regine la scienza ) or ( _ raum, paging i sciences )).
• Adding a wildcard symbol may retrieve word variants: (("_ baum, regine la scienza") or ("_ raum, paging i sciences"))*.