Perhaps you should try some spelling variations:
developpement en » developpement et, developpement des, developpement de
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation 6 » variation _, variations _, variation des
deas mobile » das mobile, does mobile, less mobile
6 deas » 6 ideas, 6 dead
a des » a der
a das » 1 das, 2 das, 3 das

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: "typologie der variation 6 deas mobile communication ((a des) OR (a das)) developpement en afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie der variation 6 deas mobile communication ((a des) OR (a das)) developpement en afrique.*.