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
de developpement » sme development
technologie im » technologien im, technologien am, technologie c
informal out » informal oath, informal output, informal group
im informal » i informal, _ informal, 3 informal
medium de » medium der, medium des, medium die
out due » about due, lost due, soft due
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: technologie im informal out due de communication medium de developpement durable afrique.*.