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 des » variation _, variation 6, variation series
des farmers » odds farmers, do farmers, des fahrers
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 _ variation des farmers convinced communication a le developpement en afrique.*.