Perhaps you should try some spelling variations:
communication mode » communication model, communication modes, communication module
actors development » factors development, authors development, factor development
der communication » de communication, under communication, debt communication
technologies 4 » technologies _
4 information » 2 information, 1 information
information 2 » information 3
china africa » cpia africa, china asia
mode actors » more actors, model factors, mobile actors
2 der » _ 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 2 2 der communication mode actors development china africa.*.