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 age » information storage, information access, information about
development l » development li, development 1, development law
technology 2 » technology _, technology 1, technology 3
protocol 2 » protocol _, protocol 3, protocol 1
2.3 china » 6.3 china, 2.3 china's, 2.3.6 china
l afrique » en afrique
age 2.3 » age 2.31, age 20.3, age 2.1

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

• Adding a wildcard symbol may retrieve word variants: technology 2 information age 2.3 china communication protocol 2 development l afrique.*.