Perhaps you should try some spelling variations:
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
information 2 » information 3
technology 2 » technology _, technology 1, technology 3
krise 3.1 » krise 7.1, krise 4.1, krise 6.1
costs de » costs _, costs 4, costs a
2 krise » iv krise

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

• Adding a wildcard symbol may retrieve word variants: technology 2 information 2 krise 3.1 communication costs de developpement en afrique.*.