Perhaps you should try some spelling variations:
virtual communication » visual communication, verbal communication, cultural communication
developpement de » developpement des, developpement durable
l developpement » le developpement, de developpement, et developpement
technology 1 » technology _
society 11 » society 1.1, society 1, society 10
11 virtual » 1 virtual, 17 virtual, 2.1 virtual
de africa » does africa, de america, use africa
a l » a la

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information society 11 virtual communication a l developpement de africa.*.