Perhaps you should try some spelling variations:
communications medium » communication medium, communications media, communication mediums
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
information 4.1 » information 4.2, information 4.3, information 14.3
medium du » medium der, medium des, medium fur
die data » die daten, life data, file data
4.1 die » 2.1 die, 3.1 die

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 4.1 die data communications medium du developpement en afrique.*.