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 development » order development, under development, oer developments
development li » development lid, development lie, development lin
systeme der » system der, systems der, systemes de
li afrique » l afrique, en afrique
2 china » 4 china
flow 2 » flow _, flow 1, flow 3

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information flow 2 china communication systeme der development li afrique.*.