Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
typologien does » typologie des, typologien der, typologie der
does variation » de variation, der variation, die variation
variation 6 » variation _, variations _, variation des
firms rural » firm rural
6 firms » 4 firms, 4.6 firms, do firms

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

• Adding a wildcard symbol may retrieve word variants: typologien does variation 6 firms rural communications _ le developpement en afrique.*.