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
developpement l » developpement il, developpement la, developpement de
der separation » order separation, air separation, ree separation
ideologie der » ideologie und, typologie der
l afrique » en afrique
unit las » unit case, unit load, unit easu
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 las crisis communication a l developpement l afrique.*.