Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
des developpements » deux developpements, de developpement, et developpements
developpements de » developpement de, developpement des, developpement du
informing public » reforming public, informal public, informed public
communication 4 » communication _, communication a, communication 3
de afrique » de l'afrique, en afrique, l afrique
public 1 » public _, public 2, public 4
1 crisis » 19 crisis
4 des » 4 der, 4 das, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies _ informing public 1 crisis communication 4 des developpements de afrique.*.