Perhaps you should try some spelling variations:
communication 5 » communication _, communication a, communication 3
4 communication » 3 communication, 5.4 communication, de communication
development en » developpement en, development menu, development eco
des variation » does variation, der variation, modes variation
de variation » der variation, die variation, does variation
5 youth » _ youth, a youth, 2 youth
6 soe » 6 some, _ soe, 6 ioe
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: "typology ((des variation) OR (de variation)) 6 soe 4 communication 5 youth development en afrique.~".
• Adding a wildcard symbol may retrieve word variants: typology ((des variation) OR (de variation)) 6 soe 4 communication 5 youth development en afrique.*.