Perhaps you should try some spelling variations:
formal communications » informal communication, oral communication, rural communications
communications series » communication series, communications services, communication services
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
does formal » loss formal, does formality, des formalen
series le » series e, series de, series ltre

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

• Adding a wildcard symbol may retrieve word variants: typologien der variation _ does formal communications series le developpement en afrique.*.