Perhaps you should try some spelling variations:
24 communications » 14 communications, 2 communications, 4 communications
developpement et » developpement des, developpement de, development east
technologies 3 » technologies _, technologies 4, technologies 2
formative des » formation des, formative years, formationen des
3 formative » _ formative, _ informative
et afrique » en afrique, l afrique
a der » _ der, 2 der, 1 der
3 der » _ der, 2 der
hofs » hoff, hors, hof

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: "technologies 3 formative des hofs 24 communications ((a der) OR (3 der)) developpement et afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 3 formative des hofs 24 communications ((a der) OR (3 der)) developpement et afrique.*.