Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
information data » information d820, information database, information databases
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
technologies 4 » technologies _
4 information » 2 information, 1 information
data daten » data latent, data data, data rates
daten 3.2 » daten 3.3, daten 3.4, daten 7.2
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information data daten 3.2 communication a de developpement en afrique.*.