Perhaps you should try some spelling variations:
telecommunications crop » telecommunications area, telecommunications cell, telecommunications cost
trade developement » trade development, trade developments, trades development
developement en » developpement en, developpement et, developement _
des variation » does variation, de variation, der variation
variation 6.4 » variation 3.4, variation 6.3, variation 7.4
typology des » typologie des, typologie der, typology _
crop trade » crops trade, crop storage
6.4 ex » 6.4 eu

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

• Adding a wildcard symbol may retrieve word variants: typology des variation 6.4 ex _ telecommunications crop trade developement en afrique.*.