Perhaps you should try some spelling variations:
communication skills » communication services, communication systems
au developpement » du developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
information 5.4 » information 1.2, information 1.5.2, information 2
technologies 2 » technologies _, technologies 4
skills au » skills a, skills gap, skills can
5.4 does » 1.4 does, 2.4 does, 5.4.4 does

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 5.4 does _ communication skills au developpement de l'afrique.*.