Perhaps you should try some spelling variations:
communication medium » communication mediums, communication media, communications media
technologies based » technologies used, technology based, technologies a
data communication » data communications
als developpement » le developpement, au developpement, des developpements
developpement en » developpement et, developpement des, developpement de
based insertion » base insertion, based instruction, based interaction
insertion 2.7 » insertion 6.7, insertion 6.1, insertion 6.2
medium als » medien als, medium des, medium a
die data » die daten, life data, file data

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

• Adding a wildcard symbol may retrieve word variants: technologies based insertion 2.7 die data communication medium als developpement en afrique.*.