Perhaps you should try some spelling variations:
operationelle risiken » operationeller risiken
aus liquiditatsrisiko » das liquiditatsrisiko, zum liquiditatsrisiko, des liquiditatsrisikos
operationen risiken » operationellen risiken, operationaler risiken, operationale risiken

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

• If you are trying to use Boolean operators, they must be ALL CAPS: modell fur ((operationen risiken) OR (operationelle risiken)) aus liquiditatsrisiko.
• Adding a wildcard symbol may retrieve word variants: modell fur ((operationen risiken) or (operationelle risiken)) aus liquiditatsrisiko*.