Perhaps you should try some spelling variations:
trade developpement » trade developement, trade development, de developpement
developpement de » developpement des, developpement durable
communication 3 » communication _, communication a
3 communication » 4 communication, de communication, data communication
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation aid » variation im, variation und, variation a
3 trade » 1 trade, 4 trade, 2 trade
aid go » aid do
go 3 » god 3, go _, o 3

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation aid go 3 communication 3 trade developpement de l'afrique.*.