Perhaps you should try some spelling variations:
communication protocol » communication protocols, communication practices, communication policy
china communication » china communications, chief communication, china's communications
technologies based » technologies used, technology based, technologies a
based information » basic information, based innovation, land information
development li » development lid, development lie, development lin
information a » information age, information about
li afrique » l afrique, en afrique
7.2 china » 2.2 china, 4.2 china, 7.2 china's
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: technologies based information a 7.2 china communication protocol _ development li afrique.*.