Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
information centers » information contents, information officers
de developpement » sme development
developpement de » developpement des, developpement durable
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
centers rates » centers case, centers rain
rates crisis » water crisis, rate crises, related crisis
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: technologies a information centers rates crisis communication _ de developpement de afrique.*.