Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
separation unit » separation und, separation using, generation unit
l developpement » le developpement, de developpement, et developpement
der separation » order separation, air separation, ree separation
ideologie der » ideologie und, typologie der
des afrique » en afrique, de l'afrique
net crisis » next crisis, debt crisis, de crisis
unit net » unit test, unite new, units new
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: ideologie der separation unit net crisis communication a l developpement des afrique.*.