Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information case » information based, information can, information costs
developpement du » developpement de, developpement des, developpement et
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
du afrique » en afrique, l afrique, de l'afrique
case das » case des, case case, case data
das data » gas data, dhs data, das drama

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

• Adding a wildcard symbol may retrieve word variants: technologies a information case das data communications costs _ developpement du afrique.*.