Perhaps you should try some spelling variations:
do communications » 10 communications, 14 communications, 2 communications
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
information 1.2 » information 1.5.2, information 2
technologies 2 » technologies _, technologies 4
1.2 der » 2.2 der, 3.2 der, 4.2 der
der do » der de, der db, der does

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 1.2 der do communications _ de developpement en afrique.*.