Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
communications low » communications law, communication flow, communications power
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
19 rural » 10 rural, 9 rural, 1 rural
low de » low pe, low debt, low dose

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation _ 19 rural communications low de developpement en afrique.*.