Perhaps you should try some spelling variations:
data developpement » data development, de developpement, et developpement
information 6.5.1 » information 6.1.1, information 6.5.6, information 1.5.2
oil communication » oral communication, social communication, moral communication
developpement en » developpement et, developpement des, developpement de
technologies 1 » technologies _, technologies 4, technologies 2
6.5.1 der » 3.5.1 der, 5.5.1 der, 7.5.1 der
der oil » over oil, der olig

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 information 6.5.1 der oil communication media data developpement en afrique.*.