Perhaps you should try some spelling variations:
communication series » communication services, communication systems, communication skills
data communication » data communications
3.1 developpement » 3.1 development, de developpement, le developpement
developpement de » developpement des, developpement durable
series 3.1 » series 2.1, series 7.1, series 3.2
de afrique » de l'afrique, en afrique, l afrique
does data » does cat
und does » guns does, und doch, aid does

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

• Adding a wildcard symbol may retrieve word variants: technologies _ informations und does data communication series 3.1 developpement de afrique.*.