Perhaps you should try some spelling variations:
des developpements » deux developpements, de developpement, et developpements
developpements en » developpement en, developpement et, developpements de
communication 5 » communication _, communication a, communication 3
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation des » variation _, variation 6, variation series
5 des » 5 does, 5 der, 5 das
so 3 » so _, o 3, st 3
do 3 » do _, do i, do a

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