Perhaps you should try some spelling variations:
oper communication » open communication, proper communication, power communication
does developpement » de developpement, des developpements, does development
developpement en » developpement et, developpement des, developpement de
communication 2 » communication _, communication a, communication 3
typologie does » typologie des, typologie der, typologie cices
does variation » de variation, der variation, die variation
variation des » variation _, variation 6, variation series
dr oper » der oper, der opec, der open
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 does variation des dr oper communication 2 does developpement en afrique.*.