Perhaps you should try some spelling variations:
un developpement » en developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
4.1 information » 3.1 information, 2.1 information, 6.1 information
technology 4.1 » technology 3.1, technology 2.1, technology 1
information 2 » information 3
de afrique » de l'afrique, en afrique, l afrique
a un » a une, _ un

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

• Adding a wildcard symbol may retrieve word variants: technology 4.1 information 2 a risk communication a un developpement de afrique.*.