Perhaps you should try some spelling variations:
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation aid » variation im, variation und, variation a
do data » eo data, geo data, two data
go data » geo data, eo data, two data

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 aid ((do data) OR (go data)) communications _ le developpement en afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie der variation aid ((do data) OR (go data)) communications _ le developpement en afrique.*.