Perhaps you should try some spelling variations:
optical communications » optic communication, political communication, digital communications
communications skills » communication skills, communications series, communications services
developpement risk » development risk, developpement des, development risks
b developpement » de developpement, le developpement, et developpement
technologies 1 » technologies _, technologies 4, technologies 2
information 1 » information 2, information 3, information 3.2
risk africa » rising africa, crises africa, dress africa
1 optical » 12 optical, 14 optical, _ optical
skills b » skills _, skills a, skills 1

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 1 optical communications skills b developpement risk africa.*.