Perhaps you should try some spelling variations:
communications series » communication series, communications services, communication services
einer transformation » eine transformation, wigner transformation, line transformation
technologie einer » technologie weitere, technologie der, technologie die
3 communications » 3 communication, 2 communications, 4 communications
a developpement » au developpement, de developpement, le developpement
des africa » does africa, yes africa, de africa
series a » series _, series 1, series 2
dem 3 » dem 23, dem _, dem 2

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

• Adding a wildcard symbol may retrieve word variants: technologie einer transformation _ dem 3 communications series a developpement des africa.*.