Perhaps you should try some spelling variations:
online kommunikation » online communication, online communications, interne kommunikation
developpement l » developpement il, developpement la, developpement de
farmers online » partners online, farmers convinced, farmers alliance
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
variation 6 » variation _, variations _, variation des
6 farmers » _ farmers, 5 farmers, a farmers
l afrique » en afrique
a net » a new, _ net, a neo
a et » a set, a bet, a jet

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "typology des variation 6 farmers online kommunikation ((a et) OR (a net)) developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: typology des variation 6 farmers online kommunikation ((a et) OR (a net)) developpement l afrique.*.