Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
innovation space » innovation impact, innovation science, innovation sources
au developpement » du developpement, de developpement, le developpement
developpement du » developpement de, developpement des, developpement et
communication 2 » communication _, communication a, communication 3
space race » space place
du afrique » en afrique, l afrique, de l'afrique
race 4.1 » race 4.10, rice 4.1, race 4.2
2 au » 2 auf, 2 abu, 2 aus

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

• Adding a wildcard symbol may retrieve word variants: technology _ innovation space race 4.1 communication 2 au developpement du afrique.*.