Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
2.1 information » 3.1 information
information 1.2 » information 1.5.2, information 2
a developpement » au developpement, de developpement, le developpement
technology 2.1 » technology 2.2, technology 3.1, technology 1
des afrique » en afrique, de l'afrique
1.2 states » 1.2 status, 1.2 state, 4.2 states
states de » states die, states due, states d
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology 2.1 information 1.2 states de communication costs a developpement des afrique.*.