Perhaps you should try some spelling variations:
vertical communication » verbal communication, virtual communication, optical communication
deux developpements » des developpements, de developpement, du developpement
developpements de » developpement de, developpement des, developpement du
4.2 integration » 2.2 integration, 3.2 integration, 5.2 integration
technology 4.2 » technology 2.2, technology 3.2, technology 4.1
media deux » media der
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: technology 4.2 integration 3 _ vertical communication media deux developpements de afrique.*.