Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologies dans » technologies can, technologies any, technologies daf
dans information » dns information, dis information, does information
information case » information based, information can, information costs
developpement du » developpement de, developpement des, developpement et
du afrique » en afrique, l afrique, de l'afrique
case des » cases des, case das, phase des
des data » das data, dhs data, dns data

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

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