Perhaps you should try some spelling variations:
sudostdeuropaischen raumes » osteuropaischen raum (Expand Search), sudosteuropaischen volker (Expand Search)
des sudostdeuropaischen » der sudosteuropaischen (Expand Search), des sudostdeutschen (Expand Search)
schriftenreihe fur » schriftenreihe zur (Expand Search), schriftenreihe der (Expand Search), schriftenreihe des (Expand Search)
fur probleme » zum problem (Expand Search)
probleme des » problem des (Expand Search), problem der (Expand Search)

Try widening your search to All Fields.

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

• Removing quotes may allow a broader search: (sudost OR sudosten)-stimmen: schriftenreihe fur probleme des sudostdeuropaischen raumes.