Perhaps you should try some spelling variations:
"\ \\ \\\ materials sh study OR 15 study a diritto pubblico.\\\ OR \\\ materiali e study _ diritto pubblico.\\\ OR \\\ materials 24 study a diritto public.\\\ OR \\\ materials sh study 12 OR study 3 diritto public.\\\ OR \\\ materials sh study OR 15 study OR a study 3 diritto public.\\\ OR \\\ material _ study 12 OR study 3 diritto public.\\\ *\\*" » "\ \\ \\\ materials sh study OR 15 study a diritto pubblico.\\\ OR \\\ materiali e study _ diritto pubblico.\\\ OR \\\ materials 24 study a diritto public.\\\ OR \\\ materials _ study 12 OR study 3 diritto public.\\\ OR \\\ materials sh study OR 15 study OR a study 3 diritto public.\\\ OR \\\ material _ study 12 OR study 3 diritto public.\\\ *\\*" (Expand Search), "\ \\ \\\ materials sh study OR 15 study a diritto pubblico.\\\ OR \\\ materiali e study _ diritto pubblico.\\\ OR \\\ materials _ study a diritto public.\\\ OR \\\ materials sh study 12 OR study 3 diritto public.\\\ OR \\\ materials sh study OR 15 study OR a study 3 diritto public.\\\ OR \\\ material _ study 12 OR study 3 diritto public.\\\ *\\*" (Expand Search), "\ \\ \\\ materials sh study OR 15 study a diritto pubblico.\\\ OR \\\ materials _ study _ diritto pubblico.\\\ OR \\\ materials 24 study a diritto public.\\\ OR \\\ materials sh study 12 OR study 3 diritto public.\\\ OR \\\ materials sh study OR 15 study OR a study 3 diritto public.\\\ OR \\\ material _ study 12 OR study 3 diritto public.\\\ *\\*" (Expand Search), "\ \\ \\\ materials _ study OR 15 study a diritto pubblico.\\\ OR \\\ materiali e study _ diritto pubblico.\\\ OR \\\ materials 24 study a diritto public.\\\ OR \\\ materials sh study 12 OR study 3 diritto public.\\\ OR \\\ materials _ study OR 15 study OR a study 3 diritto public.\\\ OR \\\ material _ study 12 OR study 3 diritto public.\\\ *\\*" (Expand Search), "\ \\ \\\ materials sh study OR _ study a diritto pubblico.\\\ OR \\\ materiali e study _ diritto pubblico.\\\ OR \\\ materials 24 study a diritto public.\\\ OR \\\ materials sh study 12 OR study 3 diritto public.\\\ OR \\\ materials sh study OR _ study OR a study 3 diritto public.\\\ OR \\\ material _ study 12 OR study 3 diritto public.\\\ *\\*" (Expand Search), "\ \\ \\\ materials sh study OR 15 study a diritto pubblico.\\\ OR \\\ materiali _ study _ diritto pubblico.\\\ OR \\\ materials 24 study a diritto public.\\\ OR \\\ materials sh study 12 OR study 3 diritto public.\\\ OR \\\ materials sh study OR 15 study OR a study 3 diritto public.\\\ OR \\\ material _ study 12 OR study 3 diritto public.\\\ *\\*" (Expand Search), "\ \\ \\\ materials sh study OR 15 study a diritto pubblico.\\\ OR \\\ materiali e study _ diritto pubblico.\\\ OR \\\ materials 24 study a diritto public.\\\ OR \\\ materials sh study 12 OR study 3 diritto public.\\\ OR \\\ materials sh study OR 15 study OR _ study 3 diritto public.\\\ OR \\\ material _ study 12 OR study 3 diritto public.\\\ *\\*" (Expand Search)

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

• Removing quotes may allow a broader search: \ \\ ((((\\\ materials ((sh study) OR (15 study)) a diritto pubblico.\\\ ) OR (\\\ materiali e study _ diritto pubblico.\\\ ))) OR (((((((\\\ materials 24 study a diritto public.\\\ ) OR (\\\ materials sh ((study 12) OR (study 3)) diritto public.\\\ ))) OR (\\\ materials ((((sh study) OR (15 study))) OR (a study)) 3 diritto public.\\\ ))) OR (\\\ material _ ((study 12) OR (study 3)) diritto public.\\\ ))))*\\*.

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Perform this same search in EDS

You can also try:

• Request through Interlibrary Loan