Perhaps you should try some spelling variations:
communication en » communications en, communication et, communication el
de developpement » sme development
developpement de » developpement des, developpement durable
den mobile » does mobile, open mobile, non mobile
de afrique » de l'afrique, en afrique, l afrique
model den » modelle den, modell der, modell des
en de » et de

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information model den mobile communication en de developpement de afrique.*.