Perhaps you should try some spelling variations:
5.2 communication » 3.2 communication, 6.2 communication, 2.2 communication
developpement en » developpement et, developpement des, developpement de
2.2 information » 4.2 information, 2.2.3 information, 2.2 transformation
4 developpement » de developpement, le developpement, et developpement
technology 2.2 » technology _, technology 1, technology 3
information up » information und, information use, information 2
rate 5.2 » rates 5.2, rate 5.4, rate 4.2
up rate » up rates
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 information up rate 5.2 communication costs 4 developpement en afrique.*.