Perhaps you should try some spelling variations:
communication costly » communication costs, communication costa, communications costs
orte communication » force communication, parte communication, ante communication
than developpement » au developpement, en developpement, un developpement
typologies de » typologien der, typologies _, typologie des
de variation » der variation, die variation, does variation
costly than » costly trade
des afrique » en afrique, de l'afrique
der orte » der ort, die orte

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

• Adding a wildcard symbol may retrieve word variants: typologies de variation _ der orte communication costly than developpement des afrique.*.