Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
de developpement » sme development
developpement de » developpement des, developpement durable
informal 34 » informal q4, informal 8.4, informal _
day mobile » das mobile, a mobile, can mobile
costs de » costs _, costs 4, costs a
34 day » 30 day, 34 das

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

• Adding a wildcard symbol may retrieve word variants: technology from informal 34 day mobile communications costs de developpement de l'afrique.*.