Perhaps you should try some spelling variations:
information centers » information contents, information officers
aware communication » face communication, agile communication, ante communication
communication 2.1 » communication 22.1, communications 2.1, communication 2.4
technologies des » technologien des, technologies de, technologies dans
des information » des informations, does information, dis information
11 developing » 1 developing, 10 developing, 13 developing
centers 2.8 » centers 2.2, centers 3.8, centers 8.8
2.8 aware » 2.8 share
2.1 11 » 2.1 1g

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

• Adding a wildcard symbol may retrieve word variants: technologies des information centers 2.8 aware communication 2.1 11 developing _ afrique.*.