Perhaps you should try some spelling variations:
communication pour » communication costs, communication modes, communication _
urban development » human development
information gap » information _, information flow
technologies a » technologies _
development en » development menu, development can, development _
a information » _ information, land information, award information
pour urban » poor urban

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 gap de _ communication pour urban development en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information gap de _ communication pour urban development en afrique.*.