Perhaps you should try some spelling variations:
au developpement » du developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
information 2.3 » information 12.3, information 1.3, information 2.2
communication 1 » communication _, communication a, communication 3
4 information » 2 information, 1 information
technology 4 » technology _, technology 1, technology 3
2.3 a » 2.3 _
1 au » 1 auf, 1 aug, 1 a

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

• Adding a wildcard symbol may retrieve word variants: technology 4 information 2.3 a risk communication 1 au developpement de l'afrique.*.