Perhaps you should try some spelling variations:
communication mode » communication model, communication modes, communication module
information 2.3.1 » information 2.3.2, information 5.3.1, information 2.3.3
14 communication » 1.4 communication, 14 communications, 4 communication
de developpement » sme development
technologies 1 » technologies _, technologies 4, technologies 2
des afrique » en afrique, de l'afrique
2.3.1 der » 2.3.1 die
mode de » modes de, modele de
der 14 » der 104, der 148, der 10

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 information 2.3.1 der 14 communication mode de developpement des afrique.*.