Perhaps you should try some spelling variations:
communication system » communication systems, telecommunication system, communication series
face communication » voice communication, de communication, time communication
rural development » social development
information age » information storage, information access, information about
technologies 4 » technologies _
development en » developpement en, development menu, development eco
4 information » 2 information, 1 information
system rural » system oral, system real, system natural
der face » der farce, der fake, der facher
age der » lage der, auge der, tage der

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information age der face communication system rural development en afrique.*.