Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
developpement et » developpement des, developpement de, development east
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
access des » access modes, access fees, access fee
et afrique » en afrique, l afrique
des data » das data, dhs data, dns data

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies a information access des data communications costs _ developpement et afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information access des data communications costs _ developpement et afrique.*.