Perhaps you should try some spelling variations:
dritte communication » written communication, written communications, twitter communication
technologies green » technologies breeding, technologies between, technologies current
green innovation » open innovation
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
innovation 4 » innovation _, innovation a, innovation 1
das dritte » des dritten, die dritte, der dritte
4 das » 1 das, 2 das, 3 das
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: technologies green innovation 4 das dritte communication a de developpement en afrique.*.