Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
communications a » communications _, communications law, communications media
developpement l » developpement il, developpement la, developpement de
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
l afrique » en afrique
4 rural » a rural
2 rural » a rural

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: typologie der variation _ ((4 rural) OR (2 rural)) communications a leur developpement l afrique.~.
• Adding a wildcard symbol may retrieve word variants: typologie der variation _ ((4 rural) or (2 rural)) communications a leur developpement l afrique.*.