Perhaps you should try some spelling variations:
cultural communications » cultural communication, rural communications, internal communications
communications costs » communication costs, communications _
trade developement » trade development, trade developments, trades development
developement en » developpement en, developpement et, developement _
typologie does » typologie des, typologie der, typologie cices
does variation » de variation, der variation, die variation
der cultural » 2 cultural, 3 cultural, 4 cultural
costs trade » costly trade

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

• Adding a wildcard symbol may retrieve word variants: typologie does variation _ der cultural communications costs trade developement en afrique.*.