Perhaps you should try some spelling variations:
optic communication » optical communications, public communication, device communication
does developpement » de developpement, des developpements, does development
developpement de » developpement des, developpement durable
communication 3 » communication _, communication a
des variation » does variation, de variation, der variation
variation des » variation _, variation 6, variation series
typology des » typologie des, typologie der, typology _
de afrique » de l'afrique, en afrique, l afrique
des ddr » der ddr, des dr, dem ddr
3 does » 13 does, 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: typology des variation des ddr optic communication 3 does developpement de afrique.*.