Perhaps you should try some spelling variations:
communications series » communication series, communications services, communication services
der developpement » de developpement, des developpements, leur developpement
4 communications » 14 communications, 4 communication, 2 communications
developpement de » developpement des, developpement durable
technologies 2 » technologies _, technologies 4
information 24 » information 2, information 14, information 2.2
series der » serien der, series de, series d
de afrique » de l'afrique, en afrique, l afrique
24 does » 2.4 does, 2 does, 4 does
does 4 » does _, does a, does e

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 24 does 4 communications series der developpement de afrique.*.