Perhaps you should try some spelling variations:
communications series » communication series, communications services, communication services
developpement de » developpement des, developpement durable
variation being » variation bei, variation using, variation among
1 developpement » de developpement, le developpement, et developpement
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
de afrique » de l'afrique, en afrique, l afrique
being new » bring new, seeing new, using new
new data » raw data
series 1 » series _

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

• Adding a wildcard symbol may retrieve word variants: typologien der variation being new data communications series 1 developpement de afrique.*.