Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
communications pt » communication pt, communications _, communications a
au developpement » du developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
firms rural » firm rural
pt au » pt a, et au

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation _ firms rural communications pt au developpement en afrique.*.