Perhaps you should try some spelling variations:
moral communications » moral communication, oral communication, rural communications
communications costs » communication costs, communications _
trade developpement » trade developement, trade development, de developpement
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
des l'afrique » de l'afrique, de l'amerique
costs trade » costly trade
debt moral » debat moral, debate moral

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation _ debt moral communications costs trade developpement des l'afrique.*.