Perhaps you should try some spelling variations:
universitat bochum » universitat bonn (Expand Search)
ruhr » ruhe (Expand Search), nuhr (Expand Search), rohr (Expand Search)
mehr » meer (Expand Search)
moor » mohr (Expand Search)
mohn » sohn (Expand Search), bohn (Expand Search), john (Expand Search), mohne (Expand Search), msohn (Expand Search), mbohn (Expand Search)
ohn » ohne (Expand Search), sohn (Expand Search), bohn (Expand Search)
ssohne » ssohnee (Expand Search), sssohne (Expand Search), ssbohne (Expand Search), sohne (Expand Search)
hohn » hohne (Expand Search), hsohn (Expand Search), hbohn (Expand Search), hahn (Expand Search), sohn (Expand Search), huhn (Expand Search)
sjjohnee » sjjohneee (Expand Search), sjjsohnee (Expand Search), sjjbohnee (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: "(ruhr OR (((mehr OR moor) OR ((mohn OR ohn) OR ssohne)) OR (hohn OR sjjohnee))) universitat bochum~".
• Adding a wildcard symbol may retrieve word variants: (ruhr OR (((mehr OR moor) OR ((mohn OR ohn) OR ssohne)) OR (hohn OR sjjohnee))) universitat bochum*.