Perhaps you should try some spelling variations:
communication protocol » communication protocols, communication practices, communication policy
china's communication » china's communications, china communication, china communications
development en » developpement en, development menu, development eco
4 information » 2 information, 1 information
information a » information age, information about
3 development » 2 development
technology 4 » technology _, technology 1, technology 3
6.2 china's » 3.2 china's, 1.2 china's, 5.2 china's
protocol 3 » protocol _, protocols _
a 6.2 » a 3.2, a 4.2, a 6.1

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

• Adding a wildcard symbol may retrieve word variants: technology 4 information a 6.2 china's communication protocol 3 development en afrique.*.