Perhaps you should try some spelling variations:
universitat bonn » universitat wien (Expand Search), universitat berlin (Expand Search), universitat zu (Expand Search)
ruhe » truhe (Expand Search)
moor » mohr (Expand Search)
ohn » ohne (Expand Search), hohn (Expand Search), bohn (Expand Search)
mohn » mohne (Expand Search), mhohn (Expand Search), mbohn (Expand Search), hohn (Expand Search), bohn (Expand Search), john (Expand Search)
mbohne » mbohnee (Expand Search), mbhohne (Expand Search), mbbohne (Expand Search)
sohn » sohne (Expand Search), shohn (Expand Search), sbohn (Expand Search)
bhohne » bhohnee (Expand Search), bhhohne (Expand Search), bhbohne (Expand Search)
hsbohn » hsbohne (Expand Search), hsbhohn (Expand Search), hsbbohn (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 ((((ohn OR (mohn OR mbohne)) OR sohn) OR bhohne) OR hsbohn))) universitat bonn~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(ruhe OR (moor OR ((((ohn OR (mohn OR mbohne)) OR sohn) OR bhohne) OR hsbohn))) universitat bonn".
• Adding a wildcard symbol may retrieve word variants: (ruhe OR (moor OR ((((ohn OR (mohn OR mbohne)) OR sohn) OR bhohne) OR hsbohn))) universitat bonn*.