Perhaps you should try some spelling variations:
radio communications » radio communication, data communications
information space » information search, information service, information science
des developpement » des developpements, de developpement, le developpement
communications a » communications _, communications law, communications media
developpement de » developpement des, developpement durable
de afrique » de l'afrique, en afrique, l afrique
space die » space age
die radio » die ratio, im radio, das radio
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information space die radio communications a des developpement de afrique.*.