Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
der developpement » de developpement, des developpements, leur developpement
informing public » reforming public, informal public, informed public
developpement du » developpement de, developpement des, developpement et
communication 2 » communication _, communication a, communication 3
du afrique » en afrique, l afrique, de l'afrique
public 19 » public _, public 2, public 4
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 _ informing public 19 crisis communication 2 der developpement du afrique.*.