Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
developpement de » developpement des, developpement durable
communication 3 » communication _, communication a
technologies 4 » technologies _
4 information » 2 information, 1 information
information 2 » information 3
de afrique » de l'afrique, en afrique, l afrique
ice mass » ice masses, ice caps
3 leur » a leur, 3 lehr
2 ice » 12 ice, _ ice, 2 ict

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information 2 ice mass communication 3 leur developpement de afrique.*.