Perhaps you should try some spelling variations:
der developpement » de developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
communication 1 » communication _, communication a, communication 3
4 information » 2 information, 1 information
technology 4 » technology _, technology 1, technology 3
4 risk » 3 risk
3.2 4 » 3.2 _, 3.2 a, 3.2 k
1 der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: technology 4 information 3.2 4 risk communication 1 der developpement en afrique.*.