Perhaps you should try some spelling variations:
optical communication » optical communications, optic communication, political communication
communication skills » communication services, communication systems
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
technologies 2 » technologies _, technologies 4
information pt » information part, information 1, information 1.2
1.2 optical » 1.2 optimal, 12 optical, 3.2 optical
de africa » does africa, de america, use africa
skills a » skills _, skills gap
pt 1.2 » pet 1.2, pit 1.2, pt 12

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information pt 1.2 optical communication skills a developpement de africa.*.