Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
developpement et » developpement des, developpement de, development east
technologies 1 » technologies _, technologies 4, technologies 2
access ties » access fees, access series, access field
et afrique » en afrique, l afrique
ties data » studies 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 1 information access ties data communications costs _ developpement et afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies 1 information access ties data communications costs _ developpement et afrique.*.