Perhaps you should try some spelling variations:
information centers » information contents, information officers
vote communication » voice communication, ante communication, remote communication
communication 3.2 » communication 3.3, communication 3.4, communication 2
technologies 4 » technologies _
4 information » 2 information, 1 information
20 developing » 2 developing, 10 developing, 24 developing
developing a » developing _
centers 2.8 » centers 2.2, centers 3.8, centers 8.8
a afrique » l afrique, en afrique
2.8 vote » 2.8 some, 2.8 von

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information centers 2.8 vote communication 3.2 20 developing a afrique.*.