Perhaps you should try some spelling variations:
arten communication » parte communication, written communication, open communication
technologies based » technologies used, technology based, technologies a
das developpements » des developpements, deux developpements, de developpement
based innovation » und innovation
innovation needs » innovation new, innovation never, innovation node
developpements l » developpements de, developpement il, developpement la
needs 5.2 » needs 5.3, needs 8.2, needs 2
5.2 arten » 2.2 arten, 5.2 art, 5.2 daten
l afrique » en afrique
a das » 1 das, 2 das, 3 das

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

• Adding a wildcard symbol may retrieve word variants: technologies based innovation needs 5.2 arten communication a das developpements l afrique.*.