Perhaps you should try some spelling variations:
data communication » data communications
separation among » separation using, starvation among, cooperation among
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
der separation » order separation, air separation, ree separation
apologien der » typologien der, apologie des, ideologien der
among real » among rural, among road, among health
l afrique » en afrique
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: apologien der separation among real data communication a de developpement l afrique.*.