Perhaps you should try some spelling variations:
4 communication » 3 communication, 5.4 communication, de communication
development en » developpement en, development menu, development eco
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
a youth » _ youth
6 soa » _ soa, 1 soa
2 soa » 2 soap, _ soa, 1 soa

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "typology des variation ((6 soa) OR (2 soa)) 4 communication a youth development en afrique.~".
• Adding a wildcard symbol may retrieve word variants: typology des variation ((6 soa) OR (2 soa)) 4 communication a youth development en afrique.*.