Perhaps you should try some spelling variations:
4 communication » 3 communication, 5.4 communication, de communication
communication 5 » communication _, communication a, communication 3
des variations » les variations, does variation, its variations
development en » developpement en, development menu, development eco
5 youth » _ youth, a youth, 2 youth
soe 4 » boe 4, ioe 4, sos 4

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: "(typologie OR typology) des variations _ soe 4 communication 5 youth development en afrique.~".
• Adding a wildcard symbol may retrieve word variants: (typologie OR typology) des variations _ soe 4 communication 5 youth development en afrique.*.