Perhaps you should try some spelling variations:
communication costly » communication costs, communication costa, communications costs
geist communication » ageist communication, get communication, guest communications
trade developpement » trade developement, trade development, de developpement
developpement en » developpement et, developpement des, developpement de
des variation » does variation, de variation, der variation
costly trade » costs trade, country trade, costly than
variation 6 » variation _, variations _, variation des
der geist » dem geist, den geist
6 der » _ der, 2 der, 3 der
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation 6 der geist communication costly trade developpement en afrique.*.