Perhaps you should try some spelling variations:
mobil communication » mobile communication, mobile communications, mobile commusnication
zu developpement » du developpement, au developpement, ou developpement
developpement en » developpement et, developpement des, developpement de
technologien i » technologien im, technologien _, technologien 1
i informal » _ informal, 3 informal, 8 informal
der mobil » der mobilen, der moral, der moel
a zu » a zur, a zum, 2 zu

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

• Adding a wildcard symbol may retrieve word variants: technologien i informal _ der mobil communication a zu developpement en afrique.*.