Perhaps you should try some spelling variations:
rural telecommunications » _ telecommunications
telecommunications 5 » telecommunications _, telecommunications 1, telecommunications 7
das developpement » des developpements, de developpement, du developpement
developpement de » developpement des, developpement durable
typologien does » typologie des, typologien der, typologie der
does variation » de variation, der variation, die variation
do rural » two rural, 2 rural, 4 rural
5 das » 1 das, 2 das, 3 das

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

• Adding a wildcard symbol may retrieve word variants: typologien does variation _ do rural telecommunications 5 das developpement de l'afrique.*.