Perhaps you should try some spelling variations:
oral communication » personal communication
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
ideologie der » ideologie und, typologie der
among does » among boys, among les, among donors
does oral » does formal, does oil
l afrique » en afrique

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 does oral communication _ de developpement l afrique.*.