Perhaps you should try some spelling variations:
optimal communication » optical communication, optical communications, optic communication
communication skills » communication services, communication systems
developpement yes » developpement des, developpement de, developpement et
au developpement » du developpement, de developpement, le developpement
information pt » information part, information 1, information 1.2
3.2 optimal » 3.3 optimal, 3 optimal
yes africa » em africa, cycles africa, rates africa
skills au » skills a, skills gap, skills can
pt 3.2 » lt 3.2, μt 3.2, plot 3.2

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information pt 3.2 optimal communication skills au developpement yes africa.*.