Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
communication skills » communication services, communication systems
do developpement » de developpement, du developpement, le developpement
information 1.2 » information 1.5.2, information 2
des africa » does africa, yes africa, de africa
14 device » 4 device, 11 device, 12 device
skills do » skills how, skills _, skills a
1.2 14 » 1.2 1.4, 4.2 14

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 1.2 14 device communication skills do developpement des africa.*.