Perhaps you should try some spelling variations:
communications models » communication model, communication modes, communicating model
de communications » de communication, do communications, mce communications
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
models de » modeles de, modelos de, models dge

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 communications models de developpement de afrique.*.