Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
10 communication » 1 communication, de communication, 3 communication
developpement et » developpement des, developpement de, development east
technologien 3 » technologies 3, technologien _, technologie 3
informal about » informal out, informal labor, informal group
about value » about values
3 informal » _ informal, vs informal
et african » west african, east african, new african
value 10 » value 1, value 11, value 13

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

• Adding a wildcard symbol may retrieve word variants: technologien 3 informal about value 10 communication media leur developpement et african.*.