Perhaps you should try some spelling variations:
developpement durable » developpement de
leur developpement » le developpement, deux developpements, de developpement
2.2 information » 4.2 information, 2.2.3 information, 2.2 transformation
communication 3 » communication _, communication a
technology 2.2 » technology _, technology 1, technology 3
3.2 10 » 6.2 10
3 leur » a leur, 3 lehr

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 information 3.2 10 risk communication 3 leur developpement durable afrique.*.