Perhaps you should try some spelling variations:
services communication » device communication, service telecommunication, crisis communication
developpement et » developpement des, developpement de, development east
de variations » de variation, 1er variations, ier variations
debt services » debt service, debt servicing, e services
typologie de » typologie des, typologie der, typologien der
et afrique » en afrique, l afrique
a le » a les, a l, a e

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 variations _ debt services communication ((a le) OR (a la)) developpement et afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie de variations _ debt services communication ((a le) OR (a la)) developpement et afrique.*.