Perhaps you should try some spelling variations:
from communication » data communication, de communication, 3 communication
leur developpement » le developpement, deux developpements, de developpement
developpement l » developpement il, developpement la, developpement de
variation 4.1 » variation _, variation 6, variation des
figures from » futures from, features from
4.1 figures » 4.3 figures, 4.8 figures, 5.1 figures
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: geology _ variation 4.1 figures from communication media leur developpement l afrique.*.