Perhaps you should try some spelling variations:
optical communications » optic communication, political communication, digital communications
communications skills » communication skills, communications series, communications services
leur developpement » le developpement, deux developpements, de developpement
developpement de » developpement des, developpement durable
technologies 1 » technologies _, technologies 4, technologies 2
information pt » information part, information 1, information 1.2
skills leur » skills fur
11 optical » 12 optical, 14 optical, 1.13 optical
de africa » does africa, de america, use africa
pt 11 » pt 1, pt 10, pt 12

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 information pt 11 optical communications skills leur developpement de africa.*.