Perhaps you should try some spelling variations:
communication 2.3 » communication 23.3, communication 3.3, communication 2.4
de communication » mobile communication, online communication
technologies co » technologies _, technologies 4, technologies 2
co information » do information, 2 information, 1 information
a developing » a development
developing a » developing _
about 4.1 » about 2.15, about 1.3, about 1
a africa » 1 africa, can africa, em africa
4.1 de » 4.1 die, 4.1 der, 4.1 den
2.3 a » 2.3 _

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

• Adding a wildcard symbol may retrieve word variants: technologies co information about 4.1 de communication 2.3 a developing a africa.*.