Perhaps you should try some spelling variations:
convinced communication » advanced communication, coordinated communication, nonviolent communication
farmers convinced » farmers confronted
l developpement » le developpement, de developpement, et developpement
developpement l » developpement il, developpement la, 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
l afrique » en afrique
a l » a la

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 l developpement l afrique.*.