Perhaps you should try some spelling variations:
information centre » information centers, information contents
de communication » mobile communication, online communication
technologies 4 » technologies _
4 information » 2 information, 1 information
20 developing » 2 developing, 10 developing, 24 developing
developing a » developing _
centre 2013 » centre 2010, centre 2011, centre 2015
a afrique » l afrique, en afrique
2013 de » 2013 le, 2013 eye
a 20 » a 2, _ 20, g 20

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information centre 2013 de communication a 20 developing a afrique.*.