Perhaps you should try some spelling variations:
formale communications » mobile communications, informal communication, rural communications
communications media » communication media, communication india, communications series
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
using die » using dit, using due, using drive

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 die formale communications media _ developpement en afrique.*.