Perhaps you should try some spelling variations:
usage information » age information, use information, wage information
technology usage » technology use, technology age, technology users
au developpement » du developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
communication 1 » communication _, communication a, communication 3
de afrique » de l'afrique, en afrique, l afrique
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 usage information 3.2 _ risk communication 1 au developpement de afrique.*.