Perhaps you should try some spelling variations:
a kommunikation » _ kommunikation, 1 kommunikation, 2 kommunikation
developpement l » developpement il, developpement la, developpement de
does variation » de variation, der variation, die variation
typology does » typologie des, apology do's, typology how
variation 6 » variation _, variations _, variation des
6 farmers » _ farmers, 5 farmers, a farmers
farmers a » farmers _, farmers 4, farmers 6
l afrique » en afrique
und des » und der
und de » und der, und den, und dem

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 does variation 6 farmers a kommunikation ((und de) OR (und des)) developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: typology does variation 6 farmers a kommunikation ((und de) OR (und des)) developpement l afrique.*.