Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
more information » price information, trade information
information user » information users, information use, information uber
du developpement » de developpement, le developpement, et developpement
developpement de » developpement des, developpement durable
technology more » technology moral, technology make, technology mara
de afrique » de l'afrique, en afrique, l afrique
user case » use case, user based, user cost
case 2.3 » case 3, case 4.1, case 4.2
costs du » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology more information user case 2.3 communication costs du developpement de afrique.*.