Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
der developpement » de developpement, des developpements, leur developpement
developpement de » developpement des, developpement durable
information act » information age, information a, information about
communication 2 » communication _, communication a, communication 3
technologies 4 » technologies _
4 information » 2 information, 1 information
power crisis » power costs, water crisis
de afrique » de l'afrique, en afrique, l afrique
act power » enact power, dc power, net power
2 der » _ der

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information act power crisis communication 2 der developpement de afrique.*.