Perhaps you should try some spelling variations:
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
lays information » laws information, als information, boys information
developpement de » developpement des, developpement durable
technology lays » technology law, technology land, technology lag
4 developpement » de developpement, le developpement, et developpement
information i » information im, information 2, information 1
de afrique » de l'afrique, en afrique, l afrique
krise 3.1 » krise 7.1, krise 4.1, krise 6.1
i krise » iv krise, 2 krise, 1 krise
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 lays information i krise 3.1 communication costs 4 developpement de afrique.*.