Perhaps you should try some spelling variations:
convinced communication » advanced communication, coordinated communication, nonviolent communication
farmers convinced » farmers confronted
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
variation do » variation de, variation du, variation des
6 variation » 6 variations, _ variation, 2 variation
typology 6 » typology _, typology 4.1
do farmers » _ farmers, poor farmers
a le » a les, a la, a l

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

• Adding a wildcard symbol may retrieve word variants: typology 6 variation do farmers convinced communication a le developpement en afrique.*.