Perhaps you should try some spelling variations:
communications series » communication series, communications services, communication services
developpement en » developpement et, developpement des, developpement de
e developpement » de developpement, le developpement, et developpement
variation behn » variation bei, variation des, variation der
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
behn does » being does, ban does
does data » does cat
series e » series _, series 1, series 2

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation behn does data communications series e developpement en afrique.*.