Perhaps you should try some spelling variations:
later communication » layer communication, water communication, master communication
technologies 2.1 » technologies _, technologies 4, technologies a
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
2.1 information » 3.1 information
communication 3 » communication _, communication a
information 2 » information 3
years later » years after
2 years » 20 years, 25 years, 12 years
3 le » 3 les, 3 la, 1 le

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 2 years later communication 3 le developpement en afrique.*.