Perhaps you should try some spelling variations:
later communication » layer communication, water communication, master communication
leur developpement » le developpement, deux developpements, de developpement
technologies 2.1 » technologies _, technologies 4, technologies a
developpement en » developpement et, developpement des, developpement de
2.1 information » 3.1 information
information 1 » information 2, information 3, information 3.2
year later » years later, year after
1 year » 10 year, 5 year, _ year

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information 1 year later communication a leur developpement en afrique.*.