Perhaps you should try some spelling variations:
yale » yalex (Expand Search)
ale » alex (Expand Search)
alle » halle (Expand Search), aller (Expand Search), falle (Expand Search)
fhallerr » fhhallerr (Expand Search), fhallerrr (Expand Search), fhfallerr (Expand Search)
alte » alten (Expand Search), alt (Expand Search)
walter » waltenr (Expand Search), waltr (Expand Search)
waltenr » waltennr (Expand Search), waltnr (Expand Search)
waltr » walt (Expand Search), walth (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: (yale OR (ale OR ((alle OR alte) OR (fhallerr OR ((walter OR waltenr) OR waltr))))) universitat~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(yale OR (ale OR ((alle OR alte) OR (fhallerr OR ((walter OR waltenr) OR waltr))))) universitat".
• Adding a wildcard symbol may retrieve word variants: (yale OR (ale OR ((alle OR alte) OR (fhallerr OR ((walter OR waltenr) OR waltr))))) universitat*.