Perhaps you should try some spelling variations:
et developpement » de developpement, le developpement, test development
variation series » education series, action series, edition series
developpement en » developpement et, developpement des, developpement de
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
series can » series land, series ann, series a
can mobile » wan mobile, can mobilize, case mobile
a et » a set, a net, a bet

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: typologie der variation series can mobile communication a et developpement en afrique.*.