Perhaps you should try some spelling variations:
personen communication » personal communication, personal communications, prone communication
et developpement » de developpement, le developpement, test development
developpement et » developpement des, developpement de, development east
technologies 2 » technologies _, technologies 4
innovation 1 » innovation _, innovation a
der personen » der personalen, per person, und personen
et afrique » en afrique, l afrique
1 der » _ der, 2 der, 3 der
a et » a set, a net, a bet

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 innovation 1 der personen communication a et developpement et afrique.*.