Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
innovation sources » information sources, innovation series, innovation surveys
developpement la » developpement de, developpement et, developpement du
technology rate » technology state, technology role, technology related
rate innovation » create innovation, trade innovation, frame innovation
4 communication » 3 communication, 5.4 communication, de communication
communication 5 » communication _, communication a, communication 3
sources spaces » sources places, sources series, sources spatio
la afrique » l afrique, la fabrique, en afrique
spaces 4 » spaces _, spaces 3, spaces 1
5 leur » a leur

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

• Adding a wildcard symbol may retrieve word variants: technology rate innovation sources spaces 4 communication 5 leur developpement la afrique.*.