Perhaps you should try some spelling variations:
telecommunications costly » telecommunications cost, telecommunication cost, telecommunication costa
trade developement » trade development, trade developments, trades development
developement en » developpement en, developpement et, developement _
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 1 » variations 1, variation _, variation 6
1 sex » _ sex, 4 sex, a sex

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation 1 sex _ telecommunications costly trade developement en afrique.*.