Perhaps you should try some spelling variations:
universitat bochum » universitat bonn (Expand Search)
ruhe » truhe (Expand Search)
moor » mohr (Expand Search)
hohn » hahn (Expand Search), sohn (Expand Search), huhn (Expand Search)
hbhohn » hbhahn (Expand Search), hbsohn (Expand Search), hbhuhn (Expand Search)
hohne » hahne (Expand Search), sohne (Expand Search), huhne (Expand Search), ohne (Expand Search)
mohn » sohn (Expand Search), bohn (Expand Search), john (Expand Search)
bjohn » bohn (Expand Search), john (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (ruhe OR (moor OR ((((hohn OR mohn) OR sjsohn) OR bjohn) OR (hbhohn OR hohne)))) universitat bochum~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(ruhe OR (moor OR ((((hohn OR mohn) OR sjsohn) OR bjohn) OR (hbhohn OR hohne)))) universitat bochum".
• Adding a wildcard symbol may retrieve word variants: (ruhe OR (moor OR ((((hohn OR mohn) OR sjsohn) OR bjohn) OR (hbhohn OR hohne)))) universitat bochum*.