Perhaps you should try some spelling variations:
developpement durable » developpement de
communication medium » communication mediums, communication media, communications media
de communication » mobile communication, online communication
un developpement » en developpement, de developpement, le developpement
technologien im » technologie im, technologien am, technologien _
informal soft » informal out, informal safety, informal state
im informal » i informal, _ informal, 3 informal
medium un » medium und, medium run, medium fur
soft due » soft edge, lost due, soft luc
due de » vue de, que de, due date

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

• Adding a wildcard symbol may retrieve word variants: technologien im informal soft due de communication medium un developpement durable afrique.*.