Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
information data » information d820, information database, information databases
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
technologies 2 » technologies _, technologies 4
data daten » data latent, data data, data rates
daten 2.3 » daten 3.3, daten 4.3, daten 5.3
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 2 information data daten 2.3 communication a de developpement en afrique.*.