Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
developpement en » developpement et, developpement des, developpement de
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation der » variation des, variation bei, variation _
a law » _ law, a low
a las » a los, y las

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "typologie der variation der _ rural communications ((a law) OR (a las)) developpement en afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie der variation der _ rural communications ((a law) OR (a las)) developpement en afrique.*.