Perhaps you should try some spelling variations:
event communication » recent communications, client communication, expert communication
technologies based » technologies used, technology based, technologies a
based innovation » und innovation
developpement du » developpement de, developpement des, developpement et
l developpement » le developpement, de developpement, et developpement
innovation 4.1 » innovation 2.1, innovation 1, innovation 2.3
du afrique » en afrique, l afrique, de l'afrique
has event » has ever, als event
4.1 has » 4.1 his, 4.1 phase, 4.1 half
a l » a la

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

• Adding a wildcard symbol may retrieve word variants: technologies based innovation 4.1 has event communication a l developpement du afrique.*.