Perhaps you should try some spelling variations:
developments l » developments _, developments 4, developments 3
der variation » de variation, does variation, die variation
typology der » typologie der, typologien der, typologie des
variation 6 » variation _, variations _, variation des
farmers der » farmers gender, farmers water, farmers after
6 farmers » _ farmers, 5 farmers, a farmers
l afrique » en afrique
v et » va et, _ et, 4 et
v e » v de

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

• If you are trying to use Boolean operators, they must be ALL CAPS: typology der variation 6 farmers der kommunikation ((v et) OR (v e)) developments l afrique.~.
• Adding a wildcard symbol may retrieve word variants: typology der variation 6 farmers der kommunikation ((v et) or (v e)) developments l afrique.*.