Perhaps you should try some spelling variations:
separation among » separation using, starvation among, cooperation among
developpement de » developpement des, developpement durable
l developpement » le developpement, de developpement, et developpement
der separation » order separation, air separation, ree separation
ideologie der » ideologie und, typologie der
de afrique » de l'afrique, en afrique, l afrique
among idp » among idps, among ip, among di
idp risk » tdp risk, d risk, amp risk
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 among idp risk communication a l developpement de afrique.*.