Perhaps you should try some spelling variations:
communication modell » communication model, communications models, communication modes
de communication » mobile communication, online communication
de developpement » sme development
developpement de » developpement des, developpement durable
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
information 2 » information 3
de afrique » de l'afrique, en afrique, l afrique
modell de » modell der, modell des, modell die

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

• Adding a wildcard symbol may retrieve word variants: technologies a information 2 _ de communication modell de developpement de afrique.*.