Perhaps you should try some spelling variations:
"medicina spain campus per la pau ;" » "medicine spain campus per la pau ;", "medicina espana campus per la pau ;", "media spain campus per la pau ;", "medicina spain cases per la pau ;", "medicina spain campus poder la pau ;", "medicina spain campus per la paz ;"
"mediacion un campus de el pau ;" » "mediacion una campus de el pau ;", "meditacion un campus de el pau ;", "mediacion en campus de el pau ;", "mediacion un campo de el pau ;", "mediacion un corpus de el pau ;", "mediacion el campus de el pau ;", "mediacion un campos de el pau ;", "mediacion un campus de el pan ;", "mediacion un campus de el par ;", "mediacion un campus de el pas ;"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("mediacion un campus de el pau ;") or ("medicina spain campus per la pau ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("mediacion un campus de el pau ;") OR ("medicina spain campus per la pau ;")).
• Removing quotes may allow a broader search: (( mediacion un campus de el pau ; ) or ( medicina spain campus per la pau ; )).
• Adding a wildcard symbol may retrieve word variants: (("mediacion un campus de el pau ;") or ("medicina spain campus per la pau ;"))*.