Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
development since » developments since, development finance, development using
communication 3 » communication _, communication a
der development » order development, under development, oer developments
information 1 » information 2, information 3, information 3.2
debate crisis » debt crisis, debate critico, debate across
1 debate » 1 debates, _ debate, a debate
3 der » _ der, 2 der

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 1 debate crisis communication 3 der development since afrique.*.