Perhaps you should try some spelling variations:
innovation sources » information sources, innovation series, innovation surveys
die developpement » de developpement, le developpement, du developpement
developpement en » developpement et, developpement des, developpement de
technology 2.2 » technology _, technology 1, technology 3
2.2 innovation » 2.3 innovation, 3 innovation, der innovation
sources race » sources case, sources role, sources places
a die » 2 die, 3 die, _ die

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 innovation sources race _ communication a die developpement en afrique.*.