Perhaps you should try some spelling variations:
informal communication » internal communication, information communication, internal communications
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
variation among » starvation among, formation among, variation von
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
vs informal » _ informal, 3 informal
among vs » among ers, among les, among _
media le » media love, media age, media law

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

• Adding a wildcard symbol may retrieve word variants: typologien der variation among vs informal communication media le developpement en afrique.*.