Perhaps you should try some spelling variations:
communication system » communication systems, telecommunication system, communication series
3.3 communication » 2.3 communication, 3.2 communication, 3.5 communication
die developpement » de developpement, le developpement, du developpement
information und » informations und
developpement l » developpement il, developpement la, developpement de
technology 1 » technology _
und policy » und policey, land policy, aid policy
policy 3.3 » policy 3.1, policy 2.1, policy 6.1
system die » system der, system des
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information und policy 3.3 communication system die developpement l afrique.*.