Perhaps you should try some spelling variations:
communication protocol » communication protocols, communication practices, communication policy
china communication » china communications, chief communication, china's communications
information 1929 » information 1999, information 1.2, information 1.9
developpement en » developpement et, developpement des, developpement de
e developpement » de developpement, le developpement, et developpement
protocol e » protocol _, protocol 3, protocol 1
3.2 china » 2.2 china, 3.1 china, 3.6 china
1929 3.2 » 1920 3.2, 1929 3.3, 1929 32

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 1929 3.2 china communication protocol e developpement en afrique.*.