Perhaps you should try some spelling variations:
youth developpement » youth development, ou developpement, et developpement
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
4 communication » 3 communication, 5.4 communication, de communication
des variation » does variation, de variation, der variation
variation des » variation _, variation 6, variation series
typology des » typologie des, typologie der, typology _
des soa » das soa, des sols, des sous
3 youth » 13 youth, 3 youths, _ youth
soa 4 » soa _, sea 4, soa 1

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

• Adding a wildcard symbol may retrieve word variants: typology des variation des soa 4 communication 3 youth developpement en afrique.*.