Perhaps you should try some spelling variations:
communication skills » communication services, communication systems
optic communication » optical communications, public communication, device communication
do developpement » de developpement, du developpement, le developpement
des africa » does africa, yes africa, de africa
skills do » skills how, skills _, skills a
14 optic » 14 optical, 10 optics, 11 optics
4.2 14 » 4.2 12

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 4.2 14 optic communication skills do developpement des africa.*.