Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
information needs » information networks
das developpement » des developpements, de developpement, du developpement
developpement de » developpement des, developpement durable
communication 3 » communication _, communication a
technology 4.2 » technology 2.2, technology 3.2, technology 4.1
de america » _ america, en america, desde america
3 crisis » 1 crisis, 19 crisis
needs 3 » needs _, needs a
3 das » 1 das, 2 das

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

• Adding a wildcard symbol may retrieve word variants: technology 4.2 information needs 3 crisis communication 3 das developpement de america.*.