Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
developpements la » developpement la, developpements de, developpement de
des variation » does variation, de variation, der variation
variation bei » variation des, variation der, variation _
typology des » typologie des, typologie der, typology _
la afrique » l afrique, la fabrique, en afrique
2 rural » a rural
bei 2 » bei _, bei a
a set » _ set
a net » a new, _ net, a 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 2 rural communications ((a set) OR (a net)) developpements la afrique.~.
• Adding a wildcard symbol may retrieve word variants: typology des variation bei 2 rural communications ((a set) or (a net)) developpements la afrique.*.