Perhaps you should try some spelling variations:
mobile communications » mobile communication
der developpement » de developpement, des developpements, leur developpement
communications a » communications _, communications law, communications media
developpement en » developpement et, developpement des, developpement de
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
other mobile » them mobile, border mobile, other models
a der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: typologien der variation _ other mobile communications a der developpement en afrique.*.