Perhaps you should try some spelling variations:
communication series » communication services, communication systems, communication skills
informal output » formal output, informal out, informal dispute
2 communication » 3 communication, 4 communication, 1 communication
technologien 8 » technologien _, technologien 1, technologien 4
de development » e development, ce development, de developpement
8 informal » _ informal, 3 informal, vs informal
output dem » output des, output per, output do
series de » series d, series e, series new
1 african » _ african, 1 africa, 2 african
dem 2 » dem _

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

• Adding a wildcard symbol may retrieve word variants: technologien 8 informal output dem 2 communication series de development 1 african.*.