Perhaps you should try some spelling variations:
innovation surveys » innovation series, innovation systems
der developpement » de developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
3 communication » 4 communication, de communication, data communication
surveys spaces » surveys series, surveys since
technology 3 » technology _, technology 1, technology 4
3 innovation » 2 innovation
spaces 3 » spaces _

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

• Adding a wildcard symbol may retrieve word variants: technology 3 innovation surveys spaces 3 communication _ der developpement en afrique.*.