Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
die variation » de variation, does variation, der variation
typology die » typology _, typology 4.1, typology 6
variation 6 » variation _, variations _, variation des
firm rural » from rural
6 firm » 6 firms, a firm, 3 firm

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

• Adding a wildcard symbol may retrieve word variants: typology die variation 6 firm rural communications _ du developpement en afrique.*.