Perhaps you should try some spelling variations:
optical communication » optical communications, optic communication, political communication
communication skills » communication services, communication systems
information 1.2 » information 1.5.2, information 2
a developpement » au developpement, de developpement, le developpement
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
1.2 optical » 1.2 optimal, 12 optical, 3.2 optical
des africa » does africa, yes africa, de africa
skills a » skills _, skills gap
1.2 1.2 » 1.2 1.4, 1.2 1.4.2

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

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