Perhaps you should try some spelling variations:
telecommunications costly » telecommunications cost, telecommunication cost, telecommunication costa
trade developpement » trade developement, trade development, de developpement
developpement et » developpement des, developpement de, development east
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
costly trade » costs trade, country trade, costly than
variation 6 » variation _, variations _, variation des
et afrique » en afrique, l afrique
6 ex » 6 sex, _ ex, 1 ex

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation 6 ex _ telecommunications costly trade developpement et afrique.*.