Perhaps you should try some spelling variations:
developpement en » developpement et, developpement des, developpement de
4 communication » 3 communication, 5.4 communication, de communication
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation des » variation _, variation 6, variation series
des so » des soa, des sd, des sols
5 der » _ der, 2 der, 1 der
3 der » _ der, 2 der
so 4 » soe 4, sos 4, so _

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 des so 4 communication ((5 der) OR (3 der)) developpement en afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie der variation des so 4 communication ((5 der) OR (3 der)) developpement en afrique.*.