Perhaps you should try some spelling variations:
separation using » operation using, separation among, separation und
developpement de » developpement des, developpement durable
l developpement » le developpement, de developpement, et developpement
von separation » job separation, from separation, flow separation
typologie von » typologie des, typologie der
de afrique » de l'afrique, en afrique, l afrique
using its » using icts, using dits, using itks
its mass » its basis, its main, das mass
a l » a la

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

• Adding a wildcard symbol may retrieve word variants: typologie von separation using its mass communication a l developpement de afrique.*.