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
variation des » variation _, variation 6, variation series
typology des » typologie des, typologie der, typology _
des boe » del boe, des boues, des bosen
2 youth » _ youth
a youth » _ youth
boe 4 » bot 4, box 4, ioe 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 des boe 4 communication ((2 youth) OR (a youth)) development en afrique.~".
• Adding a wildcard symbol may retrieve word variants: typology des variation des boe 4 communication ((2 youth) OR (a youth)) development en afrique.*.