Perhaps you should try some spelling variations:
communication 5 » communication _, communication a, communication 3
development en » developpement en, development menu, development eco
der variation » de variation, does variation, die variation
typology der » typologie der, typologien der, typologie des
5 youth » _ youth, a youth, 2 youth
soe 3 » so 3, soa 3, soe 4
ioe 3 » i.e 3, ioe 4, ioe 6

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 der variation _ ((soe 3) OR (ioe 3)) communication 5 youth development en afrique.~".
• Adding a wildcard symbol may retrieve word variants: typology der variation _ ((soe 3) OR (ioe 3)) communication 5 youth development en afrique.*.