Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
information gaps » information gap
developpement de » developpement des, developpement durable
e information » e informacion, age information, die information
technology e » technology 1, technology 3, technology 4
proven 3.2 » improved 3.2
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: technology e information gaps proven 3.2 communication costs _ developpement de afrique.*.