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

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologien i informal _ der mobil communication ((a zu) OR (2 zu)) developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologien i informal _ der mobil communication ((a zu) OR (2 zu)) developpement de afrique.*.