Perhaps you should try some spelling variations:
communication systeme » communication systems, communication system, commusnication systems
china communication » china communications, chief communication, china's communications
information flow » information flows
der developments » oer developments, new developments, key developments
developments 1 » developments _, developments 4, developments 3
systeme der » system der, systems der, systemes de
1 afrique » l afrique, en afrique, 1 enrique
3 china » 2 china, 4 china, 3 china's
flow 3 » flow _, flow 1, flow 4

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information flow 3 china communication systeme der developments 1 afrique.*.