Perhaps you should try some spelling variations:
universitat bonn » universitat wien (Expand Search), universitat berlin (Expand Search), universitat zu (Expand Search)
truhe » true (Expand Search), ruhe (Expand Search)
moor » mohr (Expand Search)
mohn » bohn (Expand Search), john (Expand Search), mahn (Expand Search)
johne » ohne (Expand Search), sohne (Expand Search), john (Expand Search)
sjohn » john (Expand Search)
hohn » hahn (Expand Search), huhn (Expand Search)
hjohn » 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: (truhe OR (moor OR ((((sohn OR (mohn OR johne)) OR sjohn) OR hohn) OR hjohn))) universitat bonn~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(truhe OR (moor OR ((((sohn OR (mohn OR johne)) OR sjohn) OR hohn) OR hjohn))) universitat bonn".
• Adding a wildcard symbol may retrieve word variants: (truhe OR (moor OR ((((sohn OR (mohn OR johne)) OR sjohn) OR hohn) OR hjohn))) universitat bonn*.