Perhaps you should try some spelling variations:
cash communications » faso communications, data communications, cell communications
developpement de » developpement des, developpement durable
variation des » variation _, variation 6, variation series
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
de afrique » de l'afrique, en afrique, l afrique
does cash » does csr
des does » des doses, der does, des dorfes
5 das » 2 das, 3 das, _ das

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 de variation des does cash communications ((5 das) OR (1 das)) developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie de variation des does cash communications ((5 das) OR (1 das)) developpement de afrique.*.