Perhaps you should try some spelling variations:
developpement de » developpement des, developpement durable
typologie four » typologie fur, typologie der, typologie von
four variation » zur variation, about variation, color variation
variation bei » variation des, variation der, variation _
de afrique » de l'afrique, en afrique, l afrique
ki data » ii data, ai data, i data
bei ki » bei ke
pt e » pt 2, pt 1, pt 4
pt 3 » pt 2, pt 1

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 four variation bei ki data communications ((pt e) OR (pt 3)) developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie four variation bei ki data communications ((pt e) OR (pt 3)) developpement de afrique.*.