Perhaps you should try some spelling variations:
face communication » voice communication, de communication, time communication
information costs » information contents, information centers, information content
de developpement » sme development
developpement de » developpement des, developpement durable
technologies 1 » technologies _, technologies 4, technologies 2
de afrique » de l'afrique, en afrique, l afrique
costs a » costs _, costs 4
a face » a fact

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 information costs a face communication _ de developpement de afrique.*.