Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
grade separation » grade repetition, waste separation, a separation
separation among » separation using, starvation among, cooperation among
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
its crisis » aids crisis, its critics, las crisis
de afrique » de l'afrique, en afrique, l afrique
among its » among idps, among ers, among idp
a le » a les, a la, a l
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie grade separation among its crisis communication a le developpement de afrique.*.