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
communication 2 » communication _, communication a, communication 3
developpement l » developpement il, developpement la, developpement de
public 19 » public _, public 2, public 4
l afrique » en afrique
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 l afrique.*.