Perhaps you should try some spelling variations:
scale communication » scales communication, space communication, style communication
les developpement » le developpement, des developpements, leur developpement
information 1999 » information 1995, information 1.9, information 1
developpement de » developpement des, developpement durable
technologies 4 » technologies _
4 information » 2 information, 1 information
de afrique » de l'afrique, en afrique, l afrique
2.1 scale » 2.2 scale, 2.1 scope, 2 scale
1999 2.1 » 1995 2.1, 1959 2.1, 1990 2.1

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information 1999 2.1 scale communication _ les developpement de afrique.*.