Perhaps you should try some spelling variations:
communications series » communication series, communications services, communication services
information 1.5.2 » information 1.2, information 2
der developpement » de developpement, des developpements, leur developpement
e communications » 2 communications, 3 communications, 4 communications
developpement de » developpement des, developpement durable
technologies 2 » technologies _, technologies 4
1.5.2 does » 13.2.2 does, 1.5.2 die, 1.5 does
series der » serien der, series de, series d
de afrique » de l'afrique, en afrique, l afrique
does e » does de, does _, does a

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 1.5.2 does e communications series der developpement de afrique.*.