Perhaps you should try some spelling variations:
et developpement » de developpement, le developpement, test development
separation among » separation using, starvation among, cooperation among
developpement de » developpement des, developpement durable
der separation » order separation, air separation, ree separation
typologie der » typologie des, ideologie der
de afrique » de l'afrique, en afrique, l afrique
among its » among idps, among ers, among idp
its mass » its basis, its main, das mass
a et » a set, a net, a bet

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

• Adding a wildcard symbol may retrieve word variants: typologie der separation among its mass communication a et developpement de afrique.*.