Perhaps you should try some spelling variations:
"bibliotheca historica rumanien 1" » "bibliotheca historica rumanien _" (Expand Search), "bibliotheca historica rumanien im" (Expand Search), "bibliotheca historica rumaniens _" (Expand Search), "bibliothek historica rumanien 1" (Expand Search)
"bibliotheca historica romaniae 1" » "bibliothek historica romaniae 1" (Expand Search), "bibliotheca historica romania 1" (Expand Search), "bibliotheca historica romanian 1" (Expand Search), "bibliotheca historica roumanian 1" (Expand Search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"bibliotheca historica romaniae 1\") OR (\"bibliotheca historica rumanien 1\"))~".
• Removing quotes may allow a broader search: (( bibliotheca historica romaniae 1 ) OR ( bibliotheca historica rumanien 1 ))~.
• Adding a wildcard symbol may retrieve word variants: (("bibliotheca historica romaniae 1") OR ("bibliotheca historica rumanien 1"))*.