Perhaps you should try some spelling variations:
services communicating » services communication, studies communicating, references communicating
der developpement » de developpement, des developpements, leur developpement
communicating a » communicating _, communicating face, communicating your
developpement l » developpement il, developpement la, developpement de
debt services » debt service, debt servicing, e services
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
l afrique » en afrique
a der » _ der, 2 der, 3 der

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: typologie de variation _ debt services communicating a der developpement l afrique.*.