Perhaps you should try some spelling variations:
communication protocols » communication processes, communication practices
china communication » china communications, chief communication, china's communications
4a information » a information, via information, lca information
iv development » 2 development, 3 development, 4 development
technology 4a » technology 4, technology a, technology 4.1
information a » information age, information about
protocols iv » protocols _, protocols 5, protocols 1
7.2 china » 2.2 china, 4.2 china, 7.2 china's
1 afrique » l afrique, en afrique, 1 enrique
a 7.2 » a 3.2, a 4.2, a 6.2

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

• Adding a wildcard symbol may retrieve word variants: technology 4a information a 7.2 china communication protocols iv development 1 afrique.*.