Perhaps you should try some spelling variations:
radio communications » radio communication, data communications
der developpements » des developpements, deux developpements, de developpement
information space » information search, information service, information science
developpements en » developpement en, developpement et, developpements de
communications a » communications _, communications law, communications media
space die » space age
die radio » die ratio, im radio, das radio
a der » _ der, 2 der, 3 der

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 der developpements en afrique.*.