Perhaps you should try some spelling variations:
mobilen communication » mobile communication, mobile communications, mobile commusnication
en developpement » et developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
technologien 3 » technologies 3, technologien _, technologie 3
informal 24 » informal q4, informal 8.4, informal _
der mobilen » bei mobilen, der mobil, der mobilfunk
3 informal » _ informal, vs informal
24 der » 2.4 der, 34 der, 24 under

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

• Adding a wildcard symbol may retrieve word variants: technologien 3 informal 24 der mobilen communication _ en developpement en afrique.*.