Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
does developpement » de developpement, des developpements, does development
informing public » reforming public, informal public, informed public
developpement il » developpement de, developpement et, developpement du
communication 4 » communication _, communication a, communication 3
il afrique » l afrique, en afrique
public 11 » public 9.1, public _, public 2
11 crisis » 19 crisis, 1 crisis, 3 crisis
4 does » 2 does

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

• Adding a wildcard symbol may retrieve word variants: technologies _ informing public 11 crisis communication 4 does developpement il afrique.*.