Perhaps you should try some spelling variations:
communications series » communication series, communications services, communication services
new developpement » de developpement, le developpement, new development
developpement en » developpement et, developpement des, developpement de
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
states data » states state, states david
series new » services new, series e, series index

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation _ states data communications series new developpement en afrique.*.