Perhaps you should try some spelling variations:
communication skills » communication services, communication systems
optic communication » optical communications, public communication, device communication
can developpement » au developpement, en developpement, can development
developpement de » developpement des, developpement durable
information 1.2 » information 1.5.2, information 2
technologies 1 » technologies _, technologies 4, technologies 2
skills can » skills gap, skills a, skills human
de africa » does africa, de america, use africa
10 optic » 10 optics, 11 optics, 13 optics
1.2 10 » 6.2 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 1.2 10 optic communication skills can developpement de africa.*.