Perhaps you should try some spelling variations:
7.2 communication » 3.2 communication, 6.2 communication, 2.2 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 7.2 » daten 2, daten 3.3, daten 2.3
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 7.2 communication a de developpement en afrique.*.