Perhaps you should try some spelling variations:
does developpement » de developpement, des developpements, does development
data communication » data communications
communication 2 » communication _, communication a, communication 3
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
variation 6 » variation _, variations _, variation des
des afrique » en afrique, de l'afrique
user data » use data, under data
6 user » _ user, 3 user, a user
2 does » 4 does

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 user data communication 2 does developpement des afrique.*.