Perhaps you should try some spelling variations:
des developpement » des developpements, de developpement, le developpement
5.2 communication » 3.2 communication, 6.2 communication, 2.2 communication
technologien des » technologien fur, technologien und, technologies 2
developpement en » developpement et, developpement des, developpement de
des information » des informations, does information, dis information
storage dam » storage dams, storage a, storage do
dam 5.2 » dam 5.1, dam 5.5
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: technologien des information storage dam 5.2 communication a des developpement en afrique.*.