Perhaps you should try some spelling variations:
communication european » communication europe, communications europe, telecommunication european
trade developpement » trade developement, trade development, de developpement
oral communication » personal communication
european trade » european case
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
variation 3 » variation _, variation 6, variation 5
des afrique » en afrique, de l'afrique
one oral » one moral, one rural, one oil
3 one » _ one, a one

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation 3 one oral communication european trade developpement des afrique.*.