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 using » variations during, variation und, variation among
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
3 informal » _ informal, vs informal
media le » media love, media age, media law
using 3 » using 3d, using 3h, using _

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

• Adding a wildcard symbol may retrieve word variants: typologien der variation using 3 informal communication media le developpement en afrique.*.