Perhaps you should try some spelling variations:
ritter communication » written communication, twitter communication, better communication
technologien does » technologien des, technologien als, technologie de
de developpement » sme development
developpement du » developpement de, developpement des, developpement et
does innovation » does inflation, u.s innovation, process innovation
der ritter » der dritten, der richter, der twitter
du afrique » en afrique, l afrique, de l'afrique
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologien does innovation _ der ritter communication a de developpement du afrique.*.