Perhaps you should try some spelling variations:
developpement de » developpement des, developpement durable
l developpement » le developpement, de developpement, et developpement
der separation » order separation, air separation, ree separation
separation und » separation unit, separation index, separation using
ideologie der » ideologie und, typologie der
agent risk » agency risk, event risk, against risk
de afrique » de l'afrique, en afrique, l afrique
und agent » und agenten, und agency, und agenda
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 und agent risk communication a l developpement de afrique.*.