Perhaps you should try some spelling variations:
convinced communication » advanced communication, coordinated communication, nonviolent communication
farmers convinced » farmers confronted
et developpement » de developpement, le developpement, test development
developpement l » developpement il, developpement la, developpement de
die variation » de variation, does variation, der variation
typology die » typology _, typology 4.1, typology 6
variation do » variation de, variation du, variation des
do farmers » _ farmers, poor farmers
l afrique » en afrique
a et » a set, a net, a bet

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

• Adding a wildcard symbol may retrieve word variants: typology die variation do farmers convinced communication a et developpement l afrique.*.