Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
developpements l » developpements de, developpement il, developpement la
des variation » does variation, de variation, der variation
variation bei » variation des, variation der, variation _
typology des » typologie des, typologie der, typology _
l afrique » en afrique
a net » a new, _ net
a neo » a new, _ neo

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

• If you are trying to use Boolean operators, they must be ALL CAPS: typology des variation bei _ rural communications ((a net) OR (a neo)) developpements l afrique.~.
• Adding a wildcard symbol may retrieve word variants: typology des variation bei _ rural communications ((a net) or (a neo)) developpements l afrique.*.