Perhaps you should try some spelling variations:
communication network » communication networks, communications network, communications networks
data communication » data communications
do developpement » de developpement, du developpement, le developpement
technology set » technology sector, technology 1, technology 2.2
set education » et education, spot education, ict education
education 5.2 » education 1.2, education 5.1, education 5.3
des fabrique » la fabrique, des briques
network do » network dmz, network _, network 3
5.2 iot » 5.2 ict, 5.3 iot, 5.4 iot

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

• Adding a wildcard symbol may retrieve word variants: technology set education 5.2 iot data communication network do developpement des fabrique.*.