Perhaps you should try some spelling variations:
communication pour » communication costs, communication modes, communication _
urban development » human development
development egypt » development recent, development early, development age
use information » user information, based information, asset information
information gap » information _, information flow
technology use » technology push, technology based, technology risk
pour urban » poor urban
de mobile » does mobile, _ mobile, a mobile

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

• Adding a wildcard symbol may retrieve word variants: technology use information gap de mobile communication pour urban development egypt afrique.*.